Business Segments

Engineering service

Company Philosophy

Continuously moving forward,Contribute trust, relief and peace of mind to the society

We provide advanced solutions, products and service from the customer's point of view and contribute to the evolution
of the business development of the customer as the customer's best partner.

Company Profile

Company Name Proassist, Ltd.
Date Founded April 25, 1994
Head Office (Honsha) 4-33, Kitahamahigashi, Chuo-ku, Osaka-shi, Osaka, 540-0031, JapanMap
TEL:+81-6-6947-7230  FAX:+81-6-6947-7261
Tokyo  Office 3-30-10, Hongo, Bunkyo-ku, Tokyo, 113-0033, JapanMap
TEL:+81-3-5615-9976  FAX:+81-3-5615-9977
Nagoya Office 16-4, Sakaimachi, Nakamura-ku, Aichi, 453-0015, JapanMap
TEL:+81-52-459-5337  FAX:+81-52-459-5338
Capital 50 million yen
Chief Executive Officer (CEO) Atsushi Sakata
Business Segments Embedded System Development, Control System Development, Business System Development,Web Development, AI Development, Education and Training Cloud Service, Data Analysis Services, Nursing / Medical / Healthcare Equipment Manufacturing and Sales
Main Bank Sumitomo Mitsui Banking Corporation ・ Resona Bank, Limited. ・ Mizuho Bank, Ltd. ・ The Senshu Ikeda Bank, Ltd.
Number of employees 195 (as of April 1, 2024)

The license for worker dispatching undertakings  27-301024

Charged Employment Placement Service License 27-ユ-301216

Privacy Mark Authorization 11820632(08)

License of Selling and Leasing Business for Specially-Controlled Medical Devices

- Osaka business office 16N00088

- Tokyo business office 31文文生薬162

- Nagoya business office 名高機2459

Registration of Manufacturing Business for Medical Devices 27BZ200431

License of Marketing Business for Second-class Medical Devices 27B2X00332

Certificate of Marketing for Specially-Controlled Medical Devices 231AHBZX00001000

Certificate of Marketing for Specially-Controlled Medical Devices 301AGBZX00091000

Certified clinical curriculum institution for certified physical therapist (Health Promotion/Participation/Preventive Nursing Care/ community physical therapy)

Overseas Subsidiary Proassist Suzhou, Ltd.
3rd Floor, Building B3, Dongfang Chuangzhi Park, 18 Jinfang Road, Suzhou Industrial Park


April 1994 April 25 Established Proassist Limited
April 1998 Received license of specified worker dispatching undertaking issued by Ministry of Health, Labor and Welfare
June 2001 Reorganized as Proassist, Ltd.
October 2001 Opened branch Office in Tokyo
February 2002 Moved head office to Chuo-ku Osaka
June 2007 Received license for general worker dispatching undertakings issued by Ministry of Health, Labor and Welfare
Patent was granted for “Ultrasonic Sensor Signal Processing System”
June 2008 Signed Technology Collaboration Agreement with TATA ELXSI Ltd.
November 2008 Received “ The best product design and manufacturing Company of Osaka Year 2008 Award”
June 2008 Qualified for Privacy Mark Authorization
March 2010 Received Job Placement Service License issued by Ministry of Health, Labor and Welfare
April 2010 Opened branch office in Nagoya
April 2011 Established overseas subsidiary “Proassist Suzhou, Ltd.” In Suzhou, China
February 2012 Received “Osaka City Excellence Company Award”
July 2012 Patent was granted for “Leaving Sickbed Alarm Prediction Device and its Prediction Method”
May 2013 Patent was granted for “Flow Line Measuring System”
June 2013 CEO Kyoco Ikoma received Women Challenge Award Special Prize sponsored by Cabinet Office, government of Japan
December 2013 Awarded as “Top 300 Most Aggressive Small to Medium Enterprises and Small Entities” sponsored by Ministry of Economy, Trade and Industry
February 2015 CEO Kyoco Ikoma received "Shining Women Award of the 53rd Kansai Economic and Management Summit Awards 2015"
March 2015 Received "FY 2014 Diversity Management Section 100 - Collection of Best Practices"(Awards given by the Minister of Economy,Trade and Industry)
September 2016 Moved head office to Kitahama Higashi, Chuo-ku, Osaka
June 2017 Moved Nagoya sales office to Nakamura-ku, Nagoya
July 2017 Patent was granted for “Sleep state Determination Device, Sleep State Determination Method Using The Same, And Dozing Prevention Device”
February 2019 Moved Tokyo sales office to Bunkyo-ku, Tokyo
June 2019 Patent was granted for “Delivery Condition Monitoring system, Temperature measurement unit, and Delivery Condition Monitoring Method”
October 2020 Established joint venture Ai Dream Health Information Service Co., Ltd.
November 2020 Patent was granted for “Ultrasonic Array Sensor System”
May 2021 CEO Kyoco Ikoma was appointed as Kansai Keizai Doyukai (Kansai Association of Corporate Executives) of Co-Chairperson.
August 2023 The Founder,CEO Kyoko Ikoma passed away, and Atushi Sakata was appointed to the New CEO.
February 2024 Certified "Osaka City Women's Leading Campany"
March 2024 Certified as “Health Management Excellent Corporation 2024 (Small and Medium-sized Enterprise Division)”