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| Fanuc Corporation | |
|---|---|
| Native name | ファナック株式会社 (Fanakku Kabushiki-gaisha) |
| Type | Public (TYO: 6954) |
| Industry | Industrial robotics, Computer numerical control, Factory automation |
| Founded | 1972 (spun off from Fujitsu) |
| Founder | Seiuemon Inaba |
| Headquarters | Oshino-mura, Yamanashi Prefecture, Japan |
| Key people | Kenji Yamaguchi (President & CEO), Yoshiharu Inaba (Chairman) |
| Products | Industrial robots, collaborative robots, CNC controllers, servomotors, ROBODRILL, ROBOSHOT, ROBOCUT |
| Revenue | 797.13 billion yen (FY March 2025) |
| Cumulative robots shipped | 1,000,000+ (August 2023) |
| Website | fanuc.co.jp |
Fanuc Corporation (stylized FANUC, an acronym for Fuji Automatic Numerical Control) is a Japanese multinational that designs and manufactures industrial robots, computer numerical control (CNC) systems, servomotors, and factory automation equipment. Headquartered at the foot of Mount Fuji in the village of Oshino, Yamanashi Prefecture, Fanuc is the world's largest producer of industrial robotics by units shipped and the dominant supplier of CNC controllers, with an estimated 65 percent share of the global CNC market.[1] The company crossed the threshold of 1 million cumulative industrial robots shipped in August 2023, a milestone reached 46 years after producing its first commercial robot.[2]
Fanuc is one of the so-called "big four" of industrial robotics alongside ABB, Yaskawa, and Kuka, and these four firms together account for the majority of global industrial robot shipments tracked by the International Federation of Robotics (IFR). The company is famous for its reclusive corporate culture, its lemon-yellow product livery, and the lights-out factories at its Oshino campus where robots assemble other robots with very limited human supervision.[3] In late 2025, Fanuc announced a wide-ranging partnership with NVIDIA to bring physical AI, foundation models, and digital twin commissioning into its product line, a move that pushed the company's share price to multi-year highs.[4]
Fanuc traces its origins to a 1955 internal venture at Fujitsu Ltd. Fujitsu's leadership tasked a young engineer, Seiuemon Inaba, with leading a small division charged with developing numerical control (NC) systems for machine tools. Japan was rebuilding its precision manufacturing base, and there was growing demand for an alternative to the punched-paper-tape NC systems that had been pioneered in the United States in the 1950s.[5] The division produced Japan's first practical NC unit and combined it with servomotors developed in-house, two technologies that would become the firm's commercial twin pillars.
The acronym FANUC was coined from the venture's full description, Fuji Automatic Numerical Control. Through the 1960s the division grew rapidly as Japanese machine tool builders began integrating Fujitsu NC units into lathes and milling machines.[6]
In 1972 Fujitsu spun the Computing Control Division off as Fujitsu Fanuc Ltd, an independent listed company on the Tokyo Stock Exchange. Seiuemon Inaba became president of the new company in 1975 and would lead it for the next four decades.[7] Inaba's signature decision in this period was to relocate Fanuc's headquarters and main R&D and production sites away from Tokyo to a quiet, forested plot at the base of Mount Fuji in Oshino. He believed concentrating engineering and manufacturing on a single rural campus would accelerate decision-making and protect Fanuc's intellectual property from outside scrutiny. The decision shaped the company's distinctive culture for decades.
In 1977 Fanuc shipped its first commercial industrial robot, the cylindrical-coordinate FANUC ROBOT MODEL 1, marking the company's entry into a market then dominated by U.S. firms such as Unimation and Cincinnati Milacron.[8] The 1970s also saw Fanuc deliver Japan's first computer numerical control (CNC) systems, the descendants of which still ship today as the Series 30i family.
Through the 1980s Fanuc rode a wave of automotive demand. Japanese automakers including Toyota, Nissan, and Honda were rolling out highly automated body shops, and U.S. and European automakers followed. The Fanuc S-MODEL 420, introduced in this period, became a workhorse on automotive body assembly lines and helped establish Fanuc as the default choice for spot-welding cells.[2]
Fanuc set up a series of joint ventures and regional subsidiaries to expand outside Japan. The most consequential was GMFanuc Robotics, a 1982 joint venture with General Motors created to bring Fanuc robots to North American auto plants.[1] GMFanuc later evolved through several ownership structures and is the ancestor of today's wholly owned Fanuc America Corporation, headquartered in Rochester Hills, Michigan. Comparable European operations were established in Luxembourg.
In 1990 the company adopted its current name, Fanuc Corporation, dropping "Fujitsu" from the title to reflect its independence from its former parent. By the late 1990s Fanuc was already the largest producer of CNC controllers in the world.
Through the 2000s Fanuc invested heavily in expanding its Oshino campus and refining what would become a celebrated model of automated manufacturing. The campus today comprises a sprawling, secluded set of 22 windowless factories and dozens of office buildings dispersed across roughly 1,780,000 square meters of company-owned forest. Many parts of the site are described, only partly in jest, as a "ghost" or "dark" factory because the assembly halls run with the lights off for long stretches, with more than 4,600 Fanuc robots producing other Fanuc robots without continuous human presence.[3]
At peak production the Oshino site can build approximately 6,000 industrial robots per month, roughly twice the run rate cited for ABB, Fanuc's largest international competitor.[3] Employees and engineers ride between buildings in canary-yellow company cars, wear yellow jackets, and work in yellow-painted offices, mirroring the color used on the robots themselves.
Seiuemon Inaba retired from active management in 2013 at the age of 88. His son, Yoshiharu Inaba (born 1948), succeeded him and led Fanuc as president and chief executive for 16 years before stepping back in 2019 to become chairman.[9] Yoshiharu had joined Fanuc in 1983 after a decade at Isuzu Motors, and earned a doctorate from the University of Tokyo for his role in developing the company's first all-electric injection molding machine, AUTOSHOT, which became the basis for the modern ROBOSHOT line.[10]
Kenji Yamaguchi, who joined Fanuc in 1993 and rose through its robot division, succeeded Yoshiharu as president in 2016 and became chief executive officer in 2019.[9] Under Yamaguchi the firm has accelerated its push into AI and IoT, broadened the CRX collaborative robot family, and built out a much larger U.S. footprint.
Fanuc organizes itself into three product segments under a unified service umbrella branded internally as "one FANUC".[1]
| Segment | Scope | Representative products |
|---|---|---|
| FA (Factory Automation) | CNC systems, servomotors, servo amplifiers, lasers, panel-i HMIs | Series 30i / 31i / 32i CNC, alpha and beta servomotors, FANUC laser oscillators |
| ROBOT | Industrial and collaborative robots, vision systems, software | M-series, R-series, LR Mate, ARC Mate, Paint Mate, CR / CRX cobots, iRVision |
| ROBOMACHINE | Compact CNC machine tools | ROBODRILL machining centers, ROBOSHOT injection molding, ROBOCUT wire EDM |
| SERVICE | Lifecycle support, training, predictive maintenance | ZDT (Zero Down Time), FIELD system, Fanuc Academy |
The FA segment historically generated the highest operating margins for Fanuc and underpinned much of its dominant CNC market share. The ROBOT segment is the largest by revenue and the most visible publicly. ROBOMACHINE is smaller but supplies a strategic line of compact machine tools used heavily by mold makers and electronics manufacturers.
Fanuc maintains one of the broadest robot ranges in the industry, with payloads from a fraction of a kilogram to 2,300 kilograms and reaches from a few hundred millimeters to nearly five meters. The company states it offers more than 200 industrial and collaborative models in current production.[2]
| Series | Form factor | Payload range | Typical applications |
|---|---|---|---|
| LR Mate 200iD | Compact 6-axis | 4 to 14 kg | Machine tending, small-part assembly, lab automation |
| ARC Mate | 6-axis welding | 7 to 50 kg | Arc welding, light fabrication |
| Paint Mate / P-series | Explosion-proof 6-axis | 5 to 50 kg | Liquid paint and coating |
| M-1iA / M-2iA / M-3iA | Parallel-link delta | 0.5 to 6 kg | High-speed pick-and-place, packaging |
| M-10iD / M-20iB / M-20iD | Mid-payload 6-axis | 10 to 35 kg | General handling, machine tending |
| M-410iC / M-410iB | 4-axis palletizer | 140 to 700 kg | Palletizing and depalletizing |
| M-710iC | Mid-to-heavy 6-axis | 12 to 70 kg | Spot welding, material handling |
| M-900iB / M-900iA | Heavy 6-axis | 280 to 700 kg | Body framing, large component handling |
| M-2000iA | Super-heavy 6-axis | 900 to 2,300 kg | Engine block, body in white, foundry |
| R-1000iA | Compact spot-weld | 80 to 130 kg | Automotive spot welding |
| R-2000iC | Versatile mid-heavy | 100 to 270 kg | Spot welding, handling, IFR's most-cited workhorse |
| SR series (SCARA) | 4-axis SCARA | 3 to 20 kg | Electronics assembly, packaging |
| CR series (cobots) | Force-limited 6-axis | 4 to 35 kg | Human-collaborative tasks |
| CRX series (cobots) | Drag-and-drop cobots | 5 to 30 kg | Cobot welding, machine tending, palletizing |
The R-2000iC family is widely used as the industry reference for high-payload spot welding and was selected as the symbolic model for the one-millionth-robot milestone in 2023.[2] The M-2000iA/2300 is, by Fanuc's reckoning, the heaviest-payload 6-axis robot on the market, capable of lifting 2.3 metric tons in a single grasp.[11]
Fanuc entered the collaborative robot market in 2015 with the CR-35iA, the first force-limited cobot capable of carrying a 35 kg payload, roughly 3.5 times more than the Universal Robots UR10 that defined the market at the time.[12] The CR-35iA is wrapped in a green compliant foam shell, contrasting with the company's signature yellow, and stops on contact with a human operator in compliance with ISO 10218-1 and the ISO/TS 15066 collaborative-robot specifications.
The smaller CR-7iA and the long-reach CR-7iA/L rounded out the original cobot lineup with payloads of 7 kg and reaches of 717 mm and 911 mm respectively. They share the kinematic structure of Fanuc's industrial LR Mate 200iD.
Fanuc's second-generation CRX series, introduced from 2019 onward, redesigned the cobot from the ground up around an iPad-style teach pendant with drag-and-drop programming. The CRX family is white instead of green and is marketed with an "8 years zero maintenance" claim. Specifications are summarized below.
| Model | Payload | Reach | Typical use |
|---|---|---|---|
| CRX-5iA | 5 kg | 994 mm | Bench-top assembly, lab work |
| CRX-10iA | 10 kg | 1,249 mm | Machine tending, packaging |
| CRX-10iA/L | 10 kg | 1,418 mm | Long-reach palletizing |
| CRX-20iA/L | 20 kg | 1,418 mm | Palletizing, welding |
| CRX-25iA | 25 kg | 1,889 mm | Heavy palletizing, large machine tending |
The CRX line is the fastest-growing part of Fanuc's robot portfolio and is sold heavily through systems integrators that previously used Universal Robots, Doosan, or Techman cobots.
Fanuc dominates the CNC controller market with the Series 30i / 31i / 32i / 35i-MODEL B and its successor MODEL B Plus generations. The 30i-series is designed for complex multi-axis, multi-path machines such as 5-axis machining centers, large lathes, and combined turn-mill stations. The 31i and 32i models target progressively simpler machine architectures, while the 35i is positioned for compact applications.[13] Variants such as the 31i-WB are tailored to the firm's own ROBOCUT wire EDMs.
The Robomachine portfolio packages Fanuc CNCs and servomotors into finished machine tools.
| Robomachine line | Type | Notes |
|---|---|---|
| ROBODRILL | Compact vertical machining center | Available in 3-axis, 4-axis with rotary table, and full 5-axis configurations; widely used for mold and die machining |
| ROBOSHOT | All-electric injection molding machine | Pioneered by Yoshiharu Inaba's AUTOSHOT in the 1980s; co-marketed in North America with Milacron |
| ROBOCUT | CNC wire EDM | Includes the C800iC large-bed model for large progressive dies and aerospace structural parts |
Fanuc has steadily added AI and connectivity products on top of its hardware lineup. These offerings reposition the firm from a pure equipment vendor toward what it markets as an integrated automation stack.
ROBOGUIDE is Fanuc's offline programming and simulation environment. Users build a 3D virtual cell, import CAD models of fixtures and parts, drop in any robot from the Fanuc catalog, and program and validate motion paths before any hardware is installed. Modules cover spot welding, arc welding, palletizing, painting, machine tending, and bin picking. ROBOGUIDE outputs a TP program that runs on the physical R-30iB Plus controller without modification, which substantially reduces commissioning time.[14]
iRVision is Fanuc's robot-integrated machine vision system, available in 2D, 2.5D, and 3D variants. Sensors include the iRVision 3DV and iRVision 3DA structured-light area sensors for fast wide-area depth measurement and the iRVision 3DL structured-laser head for varying surface conditions. The system supports random bin picking by combining 3D point clouds with CAD-based model matching, automatically generating part-detection rules from the part's CAD geometry.[15] iRVision processes images directly on the robot controller, removing the need for an external vision PC in many applications.
ZDT (Zero Down Time) is Fanuc's predictive maintenance and IIoT service for industrial robots. Launched in 2015 in a collaboration with Cisco, ZDT continuously monitors connected robots over the customer's Ethernet network and predicts failures of mechanical components such as reducers, bearings, and cables before they cause unplanned downtime. Fanuc has stated that ZDT can give as much as six months of advance warning for some maintenance items, allowing operators to schedule service during planned downtime windows.[16]
The FIELD system (FANUC Intelligent Edge Link & Drive) is the company's open IoT platform for the factory floor, announced in 2016 and developed jointly with Cisco, Rockwell Automation, Preferred Networks, and the NTT group.[17] FIELD aggregates data from CNCs, robots, peripheral devices, and sensors and exposes it to applications through a standardized API. The platform is the substrate on which Fanuc and its partners deliver advanced analytics, including overall equipment effectiveness (OEE) dashboards, and on which Fanuc plans to layer the foundation models from its 2025 NVIDIA collaboration.
In 2015 Fanuc invested approximately $7.3 million in Japanese deep learning startup Preferred Networks and the two companies began jointly demonstrating self-teaching bin-picking robots. The system uses deep reinforcement learning: the robot attempts a pick, observes whether the part was successfully gripped, and updates a deep neural network that maps camera images to grasp candidates. After roughly eight hours of unsupervised practice, the system achieves about 90 percent picking accuracy, comparable to a human-programmed system. Crucially, eight robots can train in parallel and share their learned policies, compressing eight hours of single-robot training into one hour.[18] These ideas were productized inside FIELD-system applications and within Fanuc's Bin Picking software.
On December 1, 2025 Fanuc and NVIDIA announced a deepened collaboration to bring physical AI and foundation models into industrial robotics. Under the agreement, Fanuc robots will integrate NVIDIA's compute stack across the full development pipeline: NVIDIA Isaac Sim and Isaac Lab for simulation and policy training, NVIDIA Jetson on the robot for edge inference, and the broader Omniverse and DGX ecosystem for the AI factory backend.[4] Demonstrations have shown voice-controlled cell programming, adaptive motion based on perception, safety-aware human-robot collaboration, and full virtual commissioning in digital twins. Fanuc's stock rose as much as 9.4 percent on the day of the announcement, reaching its highest level since July 2021.[4] Around the same time, Fanuc released first-class support for ROS 2, the open-source Robot Operating System, allowing customers to program Fanuc arms in Python and to run third-party AI stacks alongside the native R-30iB controller.
Fanuc supplies to virtually every major automotive original equipment manufacturer (OEM), including General Motors (which named Fanuc America a Supplier of the Year in 2020), Ford, Volkswagen, Stellantis, Toyota, Nissan, and Honda. The company's robots are used at Tesla production lines, typically integrated by third-party systems integrators that select Fanuc for spot welding, body framing, and battery pack assembly.[19] Outside automotive, Fanuc has a substantial presence in:
Fanuc is consistently the largest single industrial robot supplier into China, the world's biggest robot market by units, although its share there has come under pressure from local competitors such as Estun, Inovance, and Siasun.
The global industrial robot market is sometimes described in terms of a "big four", with Fanuc, ABB, Yaskawa, and Kuka historically accounting for roughly half to three-quarters of worldwide industrial robot shipments tracked by the International Federation of Robotics.[20] Estimates vary by source and year, but a representative recent snapshot is shown below.
| Manufacturer | Country | Approx. global share | Notable strengths |
|---|---|---|---|
| Fanuc | Japan | ~17 percent | Largest installed base, deepest CNC integration, lights-out manufacturing |
| Yaskawa | Japan | ~12 percent | Motoman robot brand, strong arc welding share, servomotor heritage |
| Kuka | Germany / China (Midea) | ~13 percent | Strong in European automotive, heavy payload (KR Quantec, KR Fortec) |
| ABB | Switzerland / Sweden | ~13 percent | Painting (paint robotics from Norway), YuMi cobot, full electrification stack |
Fanuc, Yaskawa, Kuka, and ABB together typically account for the majority of articulated industrial robot shipments. Smaller specialist competitors include Universal Robots (cobots), Mitsubishi Electric (compact robots and SCARAs), Kawasaki Heavy Industries, Stäubli, Comau, Denso, and a fast-growing cohort of Chinese makers led by Estun, Inovance, and Siasun. In CNC controllers Fanuc's primary competition comes from Siemens Sinumerik, Mitsubishi Electric, and Heidenhain.
Fanuc trades on the Tokyo Stock Exchange under ticker 6954 and reports under Japanese GAAP. The company's fiscal year ends on March 31. Fanuc reported consolidated revenue of approximately 797.13 billion yen for the fiscal year ended March 31, 2025, essentially flat year on year.[21] Service and Robot were the two largest segments by sales. Operating margins remain among the highest in the industrial robotics industry, supported by the FA segment's CNC controller business.
Fanuc carries no long-term debt and historically returns most of its free cash flow to shareholders through dividends and buybacks, a financial conservatism inherited directly from Seiuemon Inaba.[7]
Fanuc's principal manufacturing site remains the Oshino campus in Yamanashi, where the company makes most CNC controllers, servomotors, and core robot mechanical units. Additional Japanese factories produce ROBODRILL, ROBOSHOT, and ROBOCUT machines.
Fanuc America Corporation, the U.S. subsidiary headquartered at 3900 W. Hamlin Road in Rochester Hills, Michigan, has expanded aggressively in the 2020s in response to growing automation demand from the automotive and electric vehicle sectors. The company unveiled a new 650,000-square-foot West Campus facility in Auburn Hills in July 2024, representing a $110 million investment and bringing its Michigan footprint above 2 million square feet.[22] In March 2026, Fanuc America announced an additional $90 million investment in an 840,000-square-foot engineering and advanced manufacturing facility in Pontiac, Michigan, expected to be completed by late 2027 and to employ 225 people.[23] Together with prior expansions, Fanuc America has invested close to $300 million in U.S. facilities since 2019, lifting its total U.S. footprint to roughly 3 million square feet.
Fanuc's corporate culture is unusually closed even by Japanese industrial standards. The Oshino campus is hidden inside a privately owned forest planted by Seiuemon Inaba decades ago to keep prying eyes away. Fortune magazine once compared the founder to a Bond villain because of his fondness for tightly controlled communications and his preference for surrounding the company in a literal wall of trees.[3] Visitors to the site are restricted to a small number of buildings, executives rarely give interviews, and the company famously declines most analyst meetings.
The yellow color scheme is a deliberate marketing and operational choice. Robots, machines, ROBODRILLs, ROBOSHOTs, factory walls, employee uniforms, executive blazers, and the company's fleet of cars are all painted in essentially the same shade. The CEO, by long-standing practice, wears a yellow jacket at company functions.[3]
Financial conservatism is another hallmark. Fanuc routinely operates with very large net cash positions, has no long-term debt, and is famously reluctant to make acquisitions. In a widely cited quote, Yoshiharu Inaba once told IndustryWeek that there is "such a thing as too much profit", explaining the company's restraint on price increases even when demand was overwhelming supply.[24]
| Year | Event |
|---|---|
| 1955 | Fujitsu sets up internal NC division under Seiuemon Inaba |
| 1972 | Spun off as Fujitsu Fanuc Ltd, listed on Tokyo Stock Exchange |
| 1974 | First in-house Fanuc robots installed in Fanuc factories |
| 1975 | Seiuemon Inaba becomes president |
| 1977 | First commercial industrial robot, FANUC ROBOT MODEL 1 |
| 1982 | GMFanuc Robotics joint venture with General Motors |
| 1990 | Renamed Fanuc Corporation |
| 2000 | R-2000iA general-purpose 6-axis robot launched |
| 2013 | Seiuemon Inaba retires; Yoshiharu Inaba becomes CEO |
| 2015 | First collaborative robot CR-35iA; Preferred Networks investment; ZDT launched with Cisco |
| 2016 | FIELD system announced with Cisco, Rockwell, Preferred Networks |
| 2017 | Cumulative production reaches 500,000 robots |
| 2019 | Kenji Yamaguchi becomes CEO; CRX cobot family debuts |
| 2023 | Cumulative production reaches 1,000,000 robots (R-2000iC/210F) |
| 2024 | Auburn Hills West Campus opens; $110 million U.S. expansion |
| 2025 | NVIDIA partnership for physical AI announced; ROS 2 support released |
| 2026 | Additional $90 million U.S. investment in Pontiac, Michigan announced |