Humanoid & robot atlas
HOAP-1
Photo: Fujitsu Automation / Fujitsu Laboratories (official image), from info.archives.global.fujitsu. Image policy
DiscontinuedJapan

Fujitsu Automation Ltd. (Fujitsu group, with Fujitsu Laboratories) · research humanoid

HOAP-1

A 48 cm, 6 kg research humanoid whose control interface was published so labs could write their own walking and motion programs, tested first in bundled simulation software.

Price
$41,000Cheaper than 38%
Height
48 cmTaller than 1%
Weight
6 kgHeavier than 2%
Payload
—Not published
Speed
—Not published
Battery
—Not published

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

Why it matters

One of the first humanoid robots sold off the shelf to researchers, with an open interface running on RT-Linux. Included despite its small size because of that.

Real-world use

Sold in Japan from September 2001 with a target of 100 units in three years; followed by HOAP-2 and HOAP-3.

Timeline

First shown
2001-09-10
Released
2001-09
Fujitsu press release and launch of sales

Maker

Fujitsu Automation Ltd. (Fujitsu group, with Fujitsu Laboratories)Company

Part of the Fujitsu group; parent Fujitsu Ltd. is a public company (TYO: 6702)

How it stacks up

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

Not published by the maker: speed, payload, battery.

Public attention

A historic robot: no longer sold or in use, so it is not ranked against current humanoids.

  • 331 views of its Wikipedia article in the last 90 days (HOAP)
  • 4 news stories 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.

Hands
simple
Movement
Walks on legs · 20 joints
Actuators & motors
Internal motors driving 20 degrees of freedom (Fujitsu).
Sensors & vision
Internal sensors (types not listed in the release).
Compute
Controlled from an external PC running RT-Linux over USB 1.0 (12 Mbps) linked to the robot's internal network, with a 1 ms control cycle (Fujitsu).
Battery & power
External DC 24 V, 6.2 A (150 W) supply; no battery listed (Fujitsu).
AI & software
Bundled poser, viewer and simulation software for trial runs before real tests; internal interface published so users write their own control programs (Fujitsu).

From the maker

HOAP-1 is the only humanoid from Fujitsu Automation / Fujitsu Laboratories in the atlas.

Made, sold and where

Unit counts are usually company figures; analysts often disagree.

Price
$41,000about 5 million yen (roughly US$41,000-41,400 in press reports); Fujitsu listed price as 'open'
How to get one
No official buying page found
Sold or delivered
Sales target of 100 units in three years (Fujitsu target, not reported sales)
Where it is sold or used
Japan (domestic sales)

News

The latest 4, newest first. Summaries are ours; tap through for the original.

  1. HOAP-3 announced with image recognition and communication functions

    Fujitsu Automation announced HOAP-3, jointly developed with Fujitsu Laboratories, and began accepting orders on 5 July 2005.

    ITmedia NEWS
  2. Fujitsu Automation announces the small humanoid robot HOAP-2

    Fujitsu Automation announced the 7 kg HOAP-2, with 25 joint axes and USB 1.1 connection to an RT-Linux control PC; orders were to begin on 20 April 2003.

    ITmedia NEWS
  3. Presented to the Robotics Society of Japan

    Fujitsu detailed HOAP-1 at the society's meeting at the University of Tokyo.

    Fujitsu
  4. Fujitsu Automation starts selling HOAP-1

    Fujitsu announced HOAP-1 and began domestic sales the same day.

    Fujitsu

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.

Fujitsu Fujitsu releases HOAP-1 (10 Sep 2001) InternetNews Fujitsu Releases Humanoid Robot IndustryWeek Fujitsu Introduces Humanoid Robot In Miniature Logo: Unknown authorUnknown author, Public domain, via Wikimedia Commons

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