
What happened
Atrra Group (TSE Standard: 6029) and industrial-robot systems integrator RBB set up SIbot Co., Ltd. on October 31, 2026, with ownership of 51.0% and 49.0% respectively, and capital of 10 million yen.
Why it matters
SIbot plans a "Data Factory" to gather real-world motion data, which the companies see as the bottleneck for putting robots to work in medical and nursing settings where human contact makes training data scarce.
What to watch
Operations are scheduled to start within 2026, beginning with industrial applications before medical and nursing care use.
WHO IT HITSThis lands on operators of medical, nursing and welfare facilities short of staff, and on the industrial-robot integrators and robot makers that may supply or resell through SIbot's channel.
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Atrra Group's main business is A-COMS, a management-support platform for acupuncture, osteopathic and bone-setting clinics, and it has been extending into nursing-care operations and AI-assisted treatment tools such as Atrrage, which visualizes examination results and has AI suggest findings. That gives it a base in care settings where staff shortages are worsening as the population ages, but no robotics engineering of its own. RBB brings the other half: systems integration for semiconductor manufacturing equipment and industrial robots, from design through fabrication, plus a track record in introducing, second-developing and selling robots including humanoid models. SIbot is the vehicle that combines RBB's technical and procurement capability with Atrra's clinic and care-site network and customer base.
The venture's second mandate addresses a problem the companies flag directly: robot performance depends on high-quality real-world data for motion learning, and in medical and nursing fields, where robots would work close to the human body, that data is scarce. The planned Data Factory is meant to accumulate motion data, first for industrial use, then as a foundation for robots in care settings.
One detail worth noting is the calendar: the company was established on October 31, 2026, and operations are scheduled to begin within 2026. The near-term revenue driver is robot sales and installation support; the data infrastructure is a longer build, with medical and nursing applications framed as a future goal rather than a launch product.
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