Humanoid & robot atlas
RIBA (Robot for Interactive Body Assistance)
Photo: RIKEN (official image), from riken.jp. Image policy

RIKEN · care humanoid

RIBA

Robot for Interactive Body Assistance

A soft, bear-faced care robot with sensor-covered arms that cradled patients up to 61 kg; it followed RIKEN's earlier RI-MAN. Robot weight is from HospiMedica.

Price
—Not published
Height
—Not published
Weight
180 kgHeavier than 96%
Payload
61 kgCarries more than 98%
Speed
—Not published
Battery
—Not published

Not sure this is the one? Find the best robot for your job Starts with: care and hospitals. Five more quick questions.

Why it matters

Billed by RIKEN as the world's first robot able to lift a person from a bed to a wheelchair and back.

Real-world use

RIKEN-TRI Collaborative Center for Human-Interactive Robot Research, Nagoya

Timeline

First shown
2009-08-27
Released
Not yet
RIKEN press release

Maker

RIKENGovernment lab · founded 1917 · Wakō, Saitama, Japan

Almost entirely government funded; annual budget about JPY 100 billion (US$750 million) in FY2023.

How it stacks up

Against other humanoids that publish the figure. Pick a measure.

Not published by the maker: height, speed, joints, 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
  • 1 news story from reputable press listed on this page

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

The parts the company has talked about publicly.

Movement
Wheeled base
Hands
Human-like arms with high-precision tactile sensors used to lift patients up to 61 kg.
Sensors & vision
Tactile sensing with RIKEN's sensor and information-processing technology.
Materials & build
Soft urethane-foam exterior for patient safety; materials technology from Tokai Rubber Industries.
Other details
Moves patients between bed and wheelchair; successor to RI-MAN.

Lineage

Every RIKEN and Tokai Rubber Industries humanoid in order.

  1. RIBA (Robot for Interactive Body Assistance)RIBA (Robot for Interactive Body Assistance)2009Retired
  2. ROBEARROBEAR2015Retired

Watch RIBA (Robot for Interactive Body Assistance)

Video: rikenchannel on YouTube. Plays from youtube-nocookie.com when you press play.

Made, sold and where

Unit counts are usually company figures; analysts often disagree.

Price
Not published
How to get one
No official buying page found
Built
research prototype
Sold or delivered
never sold
Where it is sold or used
Japan
Customers and pilots
RIKEN-TRI Collaborative Center for Human-Interactive Robot Research, Nagoya

News

The latest 1, newest first. Summaries are ours; tap through for the original.

  1. RIKEN unveils RIBA care robot

    RIKEN and Tokai Rubber Industries announced a robot that lifts patients from bed to wheelchair.

    RIKEN

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

Full comparison

Sources

Figures come from the maker. Every link below backs something on this page.

RIKEN RIBA press release (27 Aug 2009) HospiMedica Robotic caregiver helps carry patients in healthcare facilities Cayman Compass Scientists develop nurse robot

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