Waseda University
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Waseda University (早稲田大学, Waseda Daigaku) is a private research university in Shinjuku, Tokyo, Japan. It was founded on 21 October 1882 by Ōkuma Shigenobu, a former prime minister and Meiji-era reformist statesman, originally under the name Tokyo Senmon Gakkō (東京専門学校), or Tokyo Professional School. The institution was renamed Waseda University on 2 September 1902 after gaining formal university status.
For the purposes of an AI and robotics encyclopedia, Waseda is most important as the home of the world's first full-scale humanoid robot. The WABOT-1, completed in 1973 by a team led by Professor Ichiro Kato, is widely regarded as the first anthropomorphic intelligent robot built anywhere in the world. From that point onward Waseda labs produced an essentially uninterrupted stream of bipedal walking machines, musician robots, emotional-expression heads, and disaster response platforms, and the university effectively defined what humanoid robotics looked like for the next several decades. If you trace the lineage of Honda's ASIMO, Boston Dynamics' Atlas, or any modern bipedal humanoid robot, the path runs back through Waseda's WL series and the Kato, Takanishi, and Sugano laboratories.
As of 2024, Waseda enrolls roughly 47,000 to 50,000 students, including about 8,000 international students from more than 100 countries, across 13 undergraduate schools and 23 graduate schools. The university operates a main Shinjuku campus together with satellite campuses in Nishi-Waseda, Toyama, Tokorozawa, Honjō, and Kitakyūshū. Its motto, set down by Ōkuma, is Gakumon no dokuritsu, Gakumon no katsuyō, Mohan kokumin no zōsei (Independence of Scholarship, Practical Application of Scholarship, Fostering of Good Citizens).
The school was born out of political exile. In October 1881, Ōkuma Shigenobu and his sympathisers were forced out of the Meiji government in what became known as the Political Crisis of 1881 (Meiji jūyon-nen no seihen). Ōkuma had argued for a rapid move to a British-style constitutional monarchy with an elected parliament, a position the conservative oligarchs around Itō Hirobumi rejected. Out of office and looking for a way to keep his political and intellectual project alive, Ōkuma founded a private school for the study of politics, law, and economics in his villa neighbourhood of Waseda Village.
Classes began on 21 October 1882 with about 80 students enrolled in three departments: political science and economics, law, and physical science. An English language course ran alongside, available to students from any department. Before the name Waseda was settled, the school was known variously as Waseda Gakkō and Totsuka Gakkō, after the two villages bracketing the founder's villa.
Under the Meiji-era system, Tokyo Senmon Gakkō remained a senmon gakkō (specialist school) rather than a daigaku (university) for two decades. On 2 September 1902 the institution received university status and adopted the name Waseda University, with Ōkuma's son-in-law and disciple Takata Sanae as its first president. By that point the curriculum had grown to include literature, commerce, and the natural sciences. Ōkuma served as the second prime minister of Japan from 1898, and again from 1914 to 1916, and remained the university's patron and effective spiritual head until his death in 1922.
Waseda was largely destroyed during the firebombing of Tokyo in March 1945 and rebuilt during the Allied occupation. Under the post-war reorganisation of Japanese higher education, Waseda was re-chartered in 1949 as a comprehensive private university with separate faculties for law, political science and economics, commerce, letters, education, and science and engineering. The Faculty of Science and Engineering, which became the home of the robotics program, traces its modern form to this 1949 reorganisation, with roots in a separate engineering school Ōkuma had founded in 1908. The Honjō campus opened in 1982 for the university's centennial, and the WABOT-HOUSE Laboratory, the off-campus testbed for symbiotic robotics, opened in Gifu in 2002.
The main campus sits in the Nishi-Waseda neighbourhood of Shinjuku, about a 15-minute walk from the Yamanote Line. The Ōkuma Memorial Auditorium, a 1927 brick clock tower designated an Important Cultural Property in 2007, is the university's de facto symbol.
| Campus | Location | Focus |
|---|---|---|
| Waseda | Shinjuku, Tokyo | Main campus, humanities, law, social sciences, political science |
| Nishi-Waseda | Shinjuku, Tokyo | Faculty of Science and Engineering (robotics, computer science) |
| Toyama | Shinjuku, Tokyo | International Liberal Studies, Letters, Arts and Sciences |
| Tokorozawa | Saitama | Human Sciences, Sport Sciences |
| Honjō | Saitama | Honjō Senior High School, research forest, archaeology |
| Kitakyūshū | Fukuoka | Graduate School of Information, Production and Systems |
The Faculty of Science and Engineering, where almost all of the robotics work has lived since the 1960s, is split today into three sister faculties on the Nishi-Waseda campus: the School of Fundamental Science and Engineering, the School of Creative Science and Engineering, and the School of Advanced Science and Engineering. The Department of Modern Mechanical Engineering, the Department of Computer Science and Communications Engineering, and the Department of Applied Physics together cover most AI, robotics, and informatics research.
Waseda's robotics program is the longest-running humanoid research program anywhere in the world, and it dominates how the rest of the article reads for a reason. The history breaks naturally into three eras tied to three professors: Ichiro Kato (1925–1994), who founded the program in the late 1960s, Atsuo Takanishi, who took over the bipedal walking and emotional expression lines in the 1990s, and Shigeki Sugano, who built the human-symbiotic and assistive robotics tradition. All three trained under the previous generation; Takanishi was Kato's student, and Sugano studied under Kato as well.
Kato joined the Waseda School of Science and Engineering as a young assistant professor and began studying bipedal walking and prosthetic limbs in 1966. He came to the problem from a biomechanics direction: he wanted to build artificial muscles for above-knee prostheses, and the natural way to test those muscles was to build a leg.
The first machine, WL-1 (Waseda Leg 1, 1967), was an artificial lower limb modelled on a single human leg, driven by hydraulic and pneumatic actuators. WL-3 (1969) added an electro-hydraulic servo and a master-slave controller, and could move through a recognisable swing-and-stance phase as well as sit and stand. WL-5 (1972) walked statically at roughly 45 seconds per step and became the leg subsystem for WABOT-1 the following year. Later members include WL-9DR (1980), WL-10R (1984), which achieved smooth statically stable walking with a 1.3 second step cycle, and WL-12 (1986), which added a torso and a 2-degree-of-freedom waist for counter-rotating trunk compensation. WL-12RV (1990) achieved fully dynamic walking that goes through statically unstable single-support phases the way human walking does. The WL series was the empirical groundwork for the zero moment point control method that later showed up in Honda's ASIMO.
In 1970, Kato pulled together four laboratories from the School of Science and Engineering into the Bio-engineering Group and launched the WABOT (Waseda Robot) Project. The goal was a full-scale anthropomorphic robot capable of perception, reasoning, and physical action under one chassis.
WABOT-1 was completed in 1973. It combined the WL-5 walking legs with a pair of artificial hands called WAM-4, a vision system using two camera eyes for distance measurement, and a Japanese-language conversation system tied to a bank of microphones. WABOT-1 could measure direction and distance to objects with its eyes, walk on its lower limbs in a quasi-dynamic gait, grasp objects with tactile feedback, and hold a basic spoken Japanese conversation. The IEEE and Carnegie Mellon's robotics historians have generally accepted WABOT-1 as the first full-scale anthropomorphic intelligent robot ever built, putting it on a level of historical importance similar to Stanford's Shakey for mobile robotics.
Kato himself estimated that the cognitive capabilities of WABOT-1 corresponded roughly to those of an 18-month-old human child. The robot lived in the Kato laboratory and was demonstrated at the World's Fair in Osaka and at academic conferences in Japan and abroad through the 1970s.
The second-generation WABOT-2 was conceived as a specialist robot, in contrast to the generalist WABOT-1. Kato chose music performance as the specialty because, in his view, playing a keyboard well requires real-time integration of vision, hearing, dexterous manipulation, and a sense of timing, which is a fairly comprehensive test of an embodied AI system. Construction ran from 1980 to 1984, with the public debut at the Japan Science and Technology Expo in Tsukuba in 1985.
WABOT-2 had 50 degrees of freedom. A camera in its head read printed sheet music using an optical character recognition pipeline tailored for musical notation. Five-fingered hands tapped softly on the keyboard at up to 15 notes per second, fast enough to keep up with a competent human pianist on intermediate-level pieces. Its feet handled the bass keys and the expression pedal of an electronic organ. The robot could carry on simple Japanese conversations, accept spoken song requests, and follow a human singer as an accompanist, adjusting tempo to match the vocalist.
A related robot from the same period, WASUBOT (Waseda Sumitomo Robot), made the same kind of musical demonstrations as a co-production with Sumitomo, and the two are sometimes confused. WABOT-2 has appeared in countless retrospectives of 1980s Japanese technology, and it is one of the more frequently cited entries in the history of Japanese AI.
In parallel with WABOT-2, Kato's group built the WHL (Waseda Hitachi Leg) series in collaboration with Hitachi. WHL-1 (1980) and WHL-11 (1985) tested static walking on more practical, vehicle-mounted chassis intended for industrial use rather than humanoid display. The WHL line is less famous than the WL line but it is the bridge between Waseda's academic robotics and the Japanese industrial robotics that produced Yaskawa and Fanuc as world leaders.
With Kato's death in 1994, Atsuo Takanishi inherited the bipedal walking program and Shigeki Sugano took over the human-interaction and dexterous-manipulation work. Hadaly was the first robot designed jointly by the two successor labs. Hadaly-2 (1997) was the more complete machine: a wheeled humanoid with two arms, a head, a vision system, voice recognition and synthesis, and a pneumatic compliant body designed for safe physical contact with humans. It could pick up objects, shake hands, and hold a basic conversation, and it was the first Waseda robot built explicitly around the idea of symbiotic robotics, that is, robots that share living and working space with humans rather than performing tasks in isolation. Hadaly-2 fed directly into Sugano's later work on WENDY and TWENDY-ONE.
The WABIAN (Waseda Bipedal Humanoid) line is the direct descendant of the WL series and is the work of the Takanishi laboratory. The original WABIAN of 1996 was a 35-degree-of-freedom adult-sized bipedal humanoid that walked, danced to music, and pushed a cart. WABIAN-RIV (2000) added a more articulated upper body. The big jump came with WABIAN-2 in 2006 and WABIAN-2R in 2007.
WABIAN-2R is 1,480 mm tall, weighs 64 kg, and has 41 mechanical degrees of freedom: two 6-DoF legs, a 2-DoF waist, a 2-DoF trunk, two 7-DoF arms with 3-DoF hands, a 3-DoF neck, and 1-DoF passive toe joints in each foot. The toe joints were the headline feature, because they let the robot walk with stretched knees, heel contact, and toe-off motion, the way a human walks, instead of the bent-knee shuffle that ASIMO and earlier WABIAN versions used. The robot is also explicitly proportioned to the average Japanese adult female, because the lab wanted to use it as a human-motion simulator for evaluating rehabilitation and welfare equipment.
The WE (Waseda Eye) line started in 1995 as a separate Takanishi-lab project on emotional expression. WE-3 (1995 to 2001) was a head with eyes, eyelids, and eyebrows; WE-3RV in 2001 added enough degrees of freedom to produce recognisable facial expressions. WE-4 followed in 2003, with a 9-DoF arm pair attached, and WE-4RII in 2004 brought the total to 59 degrees of freedom (12 hands, 18 arms, 2 waist, 4 neck, 3 eyeballs, 6 eyelids, 8 eyebrows, 4 lips, 1 jaw, and 1 lung) along with visual, auditory, cutaneous, and olfactory sensors. The lab used Paul Ekman's six basic emotions as the template for the expression set.
KOBIAN (2007) was the integration project. It bolted a WE-style emotional-expression head onto a WABIAN-style walking lower body, producing a 48-DoF biped that could walk and pull faces at the same time. The original KOBIAN was developed jointly with the Kyushu robot manufacturer tmsuk. KOBIAN-R (2010) and KOBIAN-RIV (2015) refined the design; KOBIAN-RIV has 64 degrees of freedom and a chest-mounted display showing the robot's internal emotional state.
In parallel with the bipedal work, Shigeki Sugano's lab pursued human-symbiotic robotics with two main robots. WENDY (Waseda Engineering Designed Symbiont, 1999) was a wheeled humanoid with two compliant arms and human-like fingertips, derived from Hadaly-2. WENDY became famous for breaking an egg open without crushing it, which was a non-trivial demonstration of force control at the time.
TWENDY-ONE (2007) was the production-quality successor. It has a head, dual seven-degree-of-freedom arms with passive compliance, anthropomorphic dual hands with mechanical softness in the joints and skin, and an omni-wheeled mobile base. The lab designed it explicitly for elderly care: it can lift a person from a bed to a wheelchair, prepare simple food in a kitchen, and pass objects safely. TWENDY-ONE is the pet model for what Sugano calls one robot per person for life, the idea that each ageing Japanese person should eventually have a personal assistive robot the way they have a personal smartphone today.
WAREC-1 (Waseda Rescue Robot 1) is a four-limbed disaster response robot built by the Takanishi lab as part of Japan's ImPACT Tough Robotics Challenge, a national program launched after the 2011 Tōhoku earthquake and Fukushima nuclear accident exposed how poorly existing robots performed in real disaster sites. WAREC-1 stands 1,690 mm tall on two limbs, weighs 155 kg, and has 28 degrees of freedom (7 per limb) with high-power actuator units that integrate the rotor, stator, encoders, and reduction gear in a single sealed package.
The distinguishing feature is locomotion versatility. WAREC-1 can switch between bipedal walking, quadrupedal walking, crawling, and ladder climbing, depending on terrain. The lab demonstrated stable vertical ladder climbing in 2017 and 2019 papers at IROS, with the robot recognising rungs visually before placing each gripping limb. The four-limb design is intended to handle rubble fields, narrow corridors, stairs, and ladders, all of which broke the legged robots that competed in the 2015 DARPA Robotics Challenge.
The Future Robotics Organization (未来ロボット機構, FRO) is the umbrella research organisation that pulls together Waseda's robotics labs across departments. It was established in 2015 with Sugano as its inaugural director, and it operates five constituent institutes: the Institute for Human Robot Co-Creation, the Institute for AI and Robotics, the Institute for Space Exploration Robotics, the Institute for Disaster Response Robotics, and the Institute for Healthcare Robotics. FRO has run several large nationally funded projects, including the JST Moonshot Goal 3 program led by Sugano, which aims for an AI-driven assistive robot that can provide physical and emotional care for elderly users by 2050. The organisation also operates AIREC (AI Robot for Embrace and Care), a public-facing assistive humanoid platform announced in 2024.
FRO did not appear from nothing. The Humanoid Robotics Institute (HRI) was set up in 2000 to coordinate Waseda's humanoid work in advance of the World Expo 2005 in Aichi. The WABOT-HOUSE Laboratory in Gifu Prefecture opened in 2002 as a real-house testbed for living-space robotics. The 21st Century COE program Innovative research on symbiosis technologies for humans and robots in population aging ran from 2003 to 2008 under Sugano, and the Global COE program Global Robot Academia succeeded it from 2008 to 2013. FRO inherited and unified all of these.
| Robot | Year | Lab | Capability |
|---|---|---|---|
| WL-1 | 1967 | Kato | Single artificial leg, hydraulic and pneumatic |
| WL-3 | 1969 | Kato | Electro-hydraulic servo, sit and stand |
| WL-5 | 1972 | Kato | Static bipedal walking, 45 sec/step |
| WABOT-1 | 1973 | Kato | First full-scale humanoid, vision, speech, manipulation |
| WL-9DR | 1980 | Kato | 12-axis hierarchical control |
| WHL-11 | 1985 | Kato/Hitachi | Industrial vehicle-mounted leg |
| WABOT-2 | 1984 | Kato | Sheet-music-reading piano player, 50 DoF |
| WL-12RV | 1990 | Takanishi | Fully dynamic walking |
| WABIAN | 1996 | Takanishi | 35-DoF adult bipedal humanoid |
| WE-3RV | 2001 | Takanishi/Hashimoto | Facial expression head, six basic emotions |
| Hadaly-2 | 1997 | Sugano/Takanishi | Symbiotic humanoid, conversation, gentle manipulation |
| WENDY | 1999 | Sugano | Compliant arms, broke an egg without crushing it |
| WE-4RII | 2004 | Takanishi | 59-DoF emotional head with hands |
| WABIAN-2R | 2007 | Takanishi | 41-DoF heel-toe walking, knees stretched |
| KOBIAN | 2007 | Takanishi/tmsuk | Walking robot with full-body emotional expression |
| TWENDY-ONE | 2007 | Sugano | Mobile elderly-care humanoid |
| KOBIAN-RIV | 2015 | Takanishi | 64-DoF emotional whole-body humanoid |
| WAREC-1 | 2017 | Takanishi/Hashimoto | Four-limbed disaster response robot |
| AIREC | 2024 | FRO/Sugano | Multi-modal AI-driven care humanoid |
Waseda is best known for the hardware side of robotics, but it has produced respectable work on the software and AI side as well, especially in speech recognition, natural language processing, and human-computer interaction.
The Department of Computer Science and Communications Engineering on the Nishi-Waseda campus hosts the Perceptual Computing Lab of Tetsunori Kobayashi, who has worked since the 1990s on conversational robots and group conversation systems. His group's work on noise-robust end-to-end automatic speech recognition is cited regularly in the speech literature, and several of his PhD students now lead AI groups at NTT, Sony, and Preferred Networks.
For artificial intelligence more narrowly, Waseda has been less prominent than the University of Tokyo, where Yutaka Matsuo's lab is the centre of gravity for Japanese deep-learning research, or RIKEN AIP. The FRO Institute for AI and Robotics, founded with the rest of FRO in 2015, has produced credible work on robot learning, foundation models for robotics, and reinforcement learning for legged locomotion, and Waseda is a regular host for the IEEE-RAS International Conference on Humanoid Robots.
The Graduate School of Information, Production and Systems on the Kitakyūshū campus, opened in 2003, runs an English-language master's and doctoral program in computer architecture, software engineering, and intelligent systems. About half of its students come from outside Japan.
Waseda alumni occupy a peculiar position in Japanese public life. The university is associated, fairly or not, with literature, journalism, business, and politics rather than with science. Eight Japanese prime ministers have been Waseda graduates, more than any other university except Tokyo, and the literary culture is strong enough that the campus has its own publishing house and literary magazine.
| Name | Field | Note |
|---|---|---|
| Ōkuma Shigenobu | Politics | Founder; 8th and 17th prime minister of Japan |
| Tanzan Ishibashi | Politics | 55th prime minister of Japan, 1956 to 1957 |
| Noboru Takeshita | Politics | 74th prime minister of Japan, 1987 to 1989 |
| Toshiki Kaifu | Politics | 76th and 77th prime minister of Japan, 1989 to 1991 |
| Keizō Obuchi | Politics | 84th prime minister of Japan, 1998 to 2000 |
| Yoshirō Mori | Politics | 85th and 86th prime minister of Japan, 2000 to 2001 |
| Yasuo Fukuda | Politics | 91st prime minister of Japan, 2007 to 2008 |
| Yoshihiko Noda | Politics | 95th prime minister of Japan, 2011 to 2012 |
| Fumio Kishida | Politics | 100th and 101st prime minister of Japan, 2021 to 2024 |
| Masaru Ibuka | Business | Co-founder of Sony |
| Tadashi Yanai | Business | Founder of Uniqlo (Fast Retailing) |
| Haruki Murakami | Literature | Novelist, 1949 graduate of the Faculty of Letters |
| Tsubasa Imai | Performing arts | Member of Tackey & Tsubasa |
| Chiune Sugihara | Diplomacy | Wartime consul who issued visas to Jewish refugees in Lithuania |
| Shizuka Arakawa | Sport | 2006 Olympic figure skating gold medallist |
| Lee Hai-chan | Politics | Former prime minister of South Korea |
Professors of note for an AI Wiki readership include Ichiro Kato (1925 to 1994), Atsuo Takanishi, Shigeki Sugano, Tetsunori Kobayashi, and Kenji Hashimoto, the latter now at Meiji University but originally a Takanishi lab PhD and the lead engineer on WAREC-1.
Waseda is consistently ranked the top private university in Japan and among the top ten Japanese universities overall. In the QS World University Rankings 2025 it ranked 181st globally and first among Japanese private universities; the 2026 ranking placed it 196th. For mechanical engineering, where most of the robotics work is counted, Waseda usually places in the world top 50.