Waseda University / JST Moonshot program · research humanoid
WE-4RII
An emotion-expression humanoid upper body that adds Waseda's 6-DoF RCH-1 hands to the WE-4R, with eyebrows, lips, eyelids, a 4-DoF neck and arms used to show feelings, plus visual, auditory, tactile, temperature and smell sensors. A Waseda thesis gives 970 mm seated height, 59.3 kg (without PC) and 59 degrees of freedom.
- Price
- —Not published
- Height
- 97 cmTaller than 8%
- Weight
- 59.3 kgHeavier than 47%
- Payload
- —Not published
- Speed
- —Not published
- Battery
- —Not published
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Why it matters
An upper-body humanoid built to express emotions with its face, neck, torso, arms and hands; it later supplied the upper body of KOBIAN.
Real-world use
No customers or deployments reported yet.
Maker
Waseda University / JST Moonshot programUniversity lab · founded 1882 · Tokyo, JapanGovernment research funding through the JST Moonshot programme (amount not stated).
How it stacks up
Against other humanoids that publish the figure. Pick a measure.
WE-4RII is taller than 8% of the 305 other humanoids that publish a height. Bars show the 7 closest in date.
WE-4RII is heavier than 47% of the 277 other humanoids that publish a weight. Bars show the 7 closest in date.
WE-4RII has more joints than 91% of the 236 other humanoids that publish a joints. Bars show the 7 closest in date.
Not published by the maker: speed, payload, battery, price.
Public attention
A historic robot: no longer sold or in use, so it is not ranked against current humanoids.
- No Wikipedia article of its own yet
- No recent press stories listed yet
Measures how much people read and write about a robot, not how good it is. Measured 2026-10-14; same method for every robot. How it is measured
What’s inside
No component details published yet.
- Hands
- dexterous
- Movement
- Stationary · 59 joints
Lineage
Every Waseda University (Atsuo Takanishi lab) humanoid in order.
WABOT-11973Retired
WABOT-21984Retired- No public photo yetWe only show photos we're allowed to useHadaly-21997Retired
- No public photo yetWe only show photos we're allowed to useWABIAN1997Retired
- No public photo yetWe only show photos we're allowed to useWE-4RII2004Retired
WABIAN-22006Retired
TWENDY-ONE2007Research
KOBIAN2009Research- No public photo yetWe only show photos we're allowed to useWaseda Flutist Robot WF-4RVI2011Retired
- No public photo yetWe only show photos we're allowed to useAIREC (Dry-AIREC)2025Research
Made, sold and where
No production or sales figures published yet.
- Price
- Not published
- How to get one
- No official buying page found
Side by side with its peers
Picked by the same rules for every humanoid: another maker’s robot that moves the same way, is at the same stage and does at least one of the same main jobs, first shown within two years. Closer size and price rank higher. How we choose
| Measure | No public photo yetWe only show photos we're allowed to useWE-4RIIWaseda University (Atsuo Takanishi lab) |  Actroid (Repliee Q1)Osaka University (Hiroshi Ishiguro) and Kokoro Co.Same job: social · Both fixed in place · Both past robots | No public photo yetWe only show photos we're allowed to useBARTHOCBielefeld UniversitySame job: social · Both fixed in place · Both past robots |
|---|---|---|---|
| First shown | 2004 | 2003-11 | 2005 |
| Status | Retired | Retired | Retired |
| Height | 97 cm | — | — |
| Weight | 59.3 kg | — | — |
| Joints | 59 | 42 | — |
| Speed | — | — | — |
| Payload | — | — | — |
| Battery | — | — | — |
| Price | — | — | — |
Sources
Figures come from a published paper. Every link below backs something on this page.
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