JSK Laboratory, University of Tokyo · research humanoid
Kenshiro
A musculoskeletal humanoid the size of a 12-year-old boy, with aluminium bones, ribs, a multi-joint spine and a kneecap, moved by 160 artificial muscles (50 in the legs, 76 in the torso). It succeeded Kojiro and was shown at Humanoids 2012 in Osaka; it could do deep knee bends but barely walk.
- Price
- —Not published
- Height
- 158 cmTaller than 38%
- Weight
- 50 kgHeavier than 34%
- Payload
- —Not published
- Speed
- —Not published
- Battery
- —Not published
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Why it matters
Its builders said its 160 pulley-driven muscles were the most of any bio-inspired humanoid at the time.
Real-world use
No customers or deployments reported yet.
How it stacks up
Against other humanoids that publish the figure. Pick a measure.
Kenshiro is taller than 38% of the 305 other humanoids that publish a height. Bars show the 7 closest in date.
Kenshiro is heavier than 34% of the 277 other humanoids that publish a weight. Bars show the 7 closest in date.
Kenshiro has more joints than 94% 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
How much public attention Kenshiro gets, from open data.
- 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 2026-10-13; same method for every robot. How it is measured
What’s inside
No component details published yet.
- Hands
- simple
- Movement
- Walks on legs · 64 joints
Lineage
Every University of Tokyo JSK Lab (Masayuki Inaba, Kei Okada) humanoid in order.
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 | KenshiroUniversity of Tokyo JSK Lab (Masayuki Inaba, Kei Okada) |  TOROGerman Aerospace Center (DLR)Same job: research · Both walk · Both research platforms · Similar size |  LOLATechnical University of MunichSame job: research · Both walk · Both research platforms · Similar size |  SURALPSabanci University (Kemalettin Erbatur's mechatronics team)Same job: research · Both walk · Both research platforms · Similar size |
|---|---|---|---|---|
| First shown | 2012-11 | 2013-03-25 | 2010 | 2010-10-13 |
| Status | Research | Research | Research | Research |
| Height | 158 cm | 174 cm | 180 cm | 164 cm |
| Weight | 50 kg | 76 kg | 55 kg | 114 kg |
| Joints | 64 | 39 | 25 | 29 |
| Speed | — | 1.8 km/h | 3.3 km/h | — |
| Payload | — | 10 kg | — | — |
| Battery | — | 1 h | — | — |
| Price | — | — | — | $1,000,000 |
Sources
Figures come from press coverage. Every link below backs something on this page.
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