HRP-4C

日本产业技术综合研究所

AIST's 158 cm fashion-model android, built to move like a young Japanese woman.

PrototypeVerified Last verified 31 Oct 2026
Height158 cm
Degrees of freedom44
Arm payload—
Top speed—
Battery life—
Starting pricePrice on request
First shown2009
StatusPrototype
Form factorFull-size
LocomotionBipedal
Updated31 Oct 2026

What it is

HRP-4C, nicknamed Miim, is a feminine humanoid developed by AIST and unveiled in March 2009. Its 158 cm, 43 kg body follows average young Japanese female dimensions and has 44 degrees of freedom, including eight in the face, with silicone skin and motion-captured walking. It debuted on a Tokyo fashion runway and was used as an entertainment and human-simulation research platform.

Highlights

01Unveiled by AIST on 16 March 2009.
02158 cm, 43 kg and 44 degrees of freedom, including 8 facial DOF.
03Walked a Tokyo Fashion Week runway in March 2009.
04Sang using Vocaloid voice synthesis.
05Built on HRP-2 walking technology with real-time Linux and RT middleware.

The numbers

Body
Height158 cm
Weight43 kg
Form factorFull-size
Motion & power
LocomotionBipedal
Degrees of freedom44
Actuators44 servomotors.
Compute, sensing & hands
ComputeIntel Pentium M at 1.6 GHz with real-time Linux and RT middleware.
SensingHead camera, gyroscope, accelerometer and six-axis force sensor.
HandsTwo-DOF hands.

Platform & deployment

AvailabilityPrototype

Evidence trail

Claims on this profile are linked to primary reporting and manufacturer material where available.

Specifications are sourced from public materials and may change. Always confirm commercial terms with the manufacturer.