Koichi Sanmiya

Mystar Engineering Corp. engages in maintaining and engineering of semiconductors manufacturing equipment, various mechatronics devices, and construction facilities. It operates through the following segments: Mechatronics-Related Business, Facility-Related Business, and Contents Service Business. The Mechatronics-Related Business segment deals with the design, production, and maintenance of semiconductor and LCD manufacturing equipment, electronic medical devices, and industrial machineries. It also provides engineers including recruitment and skill training services. The Facility-Related Business segment offers total management services for buildings such as shopping centers and hotels. The Contents Service Business segment handles operational and management services for studio halls. It also provides technical support for broadcasting, maintenance services of equipment for broadcasting, and producing digital contents. The company was founded by Shigeo Hirano in February 1969 and is headquartered in Tokyo, Japan.

Mystar60 Corp. was founded in 1990 as the first investment of care and medium-price investment corporation based on the "SME Investment Development Co., Ltd. Law". The company is based in Tokyo, Japan and operates as a planned dispatch and introduction business. The company has provided employment opportunities to more than 7,400 people to date, focusing on senior employment and responding to various needs such as Japanese language training for foreign students and lecturers for foreigners in Japanese culture. The company's services include construction design, integration, construction management, and management managers. The company aims to create a place for senior employment so that many people can realize "deep knowledge, rich experience, willingness to work".