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About us

A world where as many cancers as possible can be cured and people can live a daily life rather than patients

As Japan's first radiotherapy AI startup, we at AiRato Co., Ltd. have been conducting research and development of "RatoGuide," a radiotherapy AI that is truly needed in the medical field. With the mission of "saving all cancer patients through radiotherapy," we aim to expand the possibilities of radiotherapy using AI, and to improve the outcomes and workload of cutting-edge radiotherapy. We also aim to spread the use of radiotherapy, which is a scalpel-free treatment with low patient burden and high therapeutic effect.

Company name
AiRato. Inc
Founders
Yuto Kimura (CEO)
Noriyuki Kadoya (CTO, Assistant professor of Tohoku University)
Ryo Ebina
Head Office
468-1 Aoba, Aramaki, Aoba-ku, Sendai City, Miyagi Prefecture
Aobayama Garage, Material Innovation Center, Tohoku University
Tel: +81-050-1721-2917 Sendai Office:
〒980-8599
T-Biz, 6-6-40 Aramaki Aoba, Aoba-ku, Sendai, Miyagi, 980-8599
PrefectureType 1 Medical Device Manufacturing and Sales License Number: 04B1X10003Medical Device
Manufacturing Registration Number: 04BZ200064
 Tokyo Office:
〒105-0011
16th Floor, Sumitomo Fudosan Shibakoen Tower, 2-11-1 Shibakoen, Minato-ku, Tokyo 105-0011
Established
March, 2022
Capital
¥757,998,320
(including capital reserves)
Main Business
Planning and development of medical device programs

History

April 2021：

We were selected for Tohoku University Investment Business Business Incubation Program

February 2022：

We recieved Excellence Award and the Japan Science and Technology
Agency Award from NEDO Technology Commercialization Program

February 2022：

We were selected for the 2021 NEDO Entrepreneurs Program

March 2022：

This company was founded

June 2022：

We were selected for the 2022 NEDO Entrepreneurs Program

July 2023：

We are selected for the 2023 Miyagi Prefecture Subsidy for New Entry and New Industry Creation Support Project (Regional Innovation Creation Type)

September 2023：

We are selected　for Phase 5 TRY!YAMANASHI! Demonstration Experiment Support Project

December 2023：

Started Experimental demonstration tests at the University of Yamanashi Hospital

January 2024：

Funds raised through a third-party allocation of shares in a seed round totaling 80 million yen.

April 2024：

Start of 2024 Miyagi Prefecture DX-related Startup Role Model Creation Demonstration Operations.

April 2024：

Funds raised through a third-party allocation of shares in a seed second round totaling 80 million yen.

September 2024:

Selected as a J-Startup TOHOKU

December 2024:

Healthtech Summit 2024 Winner

December 2024:

Winner of the Keio University Healthcare Venture Award

February 2025:

Acquired first-class medical device manufacturing and sales license

June 2025:

Pre-Series A round of funding of 460 million yen (1st close) through
third-party allotment of new shares

June 2025:

Selected for AMED's Digital Healthcare Development and
Implementation Acceleration Project

July 2025:

Signed an exclusive overseas contract with Sumitomo Corporation

September 2025:

Tokyo office opening

September 2025:

Winner of the global startup event "DATERISE! PITCH CONTEST 2025" hosted by Sendai City

September 2025:

Received the New Energy and Industrial Technology Development Organization (NEDO) Chairman's Award at the University Startup Awards.

October 2025:

Pre-Series A round of funding of 170 million yen (2nd close) through third-party allotment of new shares