Hideaki Sakurai

J-STAR Co. Ltd. (J-STAR) is a private equity arm of J-STAR Partner and is headquartered in Tokyo, Japan. The firm was founded in 2006.

PLHD KK is a holding Japanese company that provides restaurant services. The company is based in Tokyo, Japan. The company was founded in 2020.

TSS Co. Ltd. designs, develops and manufactures printed circuit boards used for power electronics, automobile, and LED lighting. Its products include general and special printed circuit board, Chips on Board (COB) type custom lighting emitting diode (LED), and LED lighting for growing plants. The company was founded on January 27, 2009 and is headquartered in Sagamihara, Japan.

Taiheiyo Seiki KK is a holding company that supplies construction machinery parts and accessories. Its products encompass undercarriage parts, precision machinery parts, and asphalt curb former. The firm's products are used for hydraulic excavators, bulldozers, crawler cranes, timber loaders, soil reconditioning machines, pile drivers, road rollers and pavers, and forklifts. The company was founded in September 1954 and is headquartered in Tokyo, Japan.

Primagest, Inc. specializes in the development and production of image information processing hardware and software products. Its hardware products include reader-sorter systems and scanners. The company software products encompass imaging tools, form and character-recognition software, multimedia database system, archive solutions, production system workflow tool, business process management package solutions, and image workflow management tools. It also offers outsourcing, application, and support services. Primagest was founded in July 1968 and is headquartered in Tokyo, Japan.