Kazunari Shiraki

Sony Interactive Entertainment, Inc. engages in the research, development and sale of PlayStation hardware, software, content and network services. Its products include PlayStation 4, PlayStation Vita, PlayStation 3, PlayStation Store, PlayStation Plus, PlayStation Video, PlayStation Music, PlayStation Now, PlayStation Vue and acclaimed PlayStation software titles from SIE (Securities Industry Essentials) Worldwide Studios. The company was founded on November 16, 1993 and is headquartered in Tokyo, Japan.

Sony Music Entertainment (Japan), Inc. engages in the management and administration of its group companies. It also markets, discovers and develops artists, celebrities, entertainers and creators in the entertainment business. The company was founded in March 1968 and is headquartered in Tokyo, Japan.

FineArch, Inc. designs and sells fables semiconductor products. It is a fables semiconductor venture that specializes in the design and development of low-power multimedia processing solution for mobile entertainment devices. The firm also offers single-chip solutions, such as IP and LSI systems. Its product Ogg Vorbis , which as an optimal sound compression technology for embedded system devices. The company was founded on February 1, 2000 by Ken Ota and Toshiyuki Kouchi and is headquartered in Tokyo, Japan.

Blue Shift Technology, Inc. provides business support and consulting services. Its focus is to provide advisory services to technology start-ups covering not only technology but whole company issue, like equity strategy, organization, marketing and business development. The firm provides cross border business development service for technology companies. The company was founded by Shinichi Okamoto in 2003 and is headquartered in Tokyo, Japan.

Prometech Software, Inc. is a holding company that develops an interactive virtual world based on computational reality. It focuses on the realization and development of virtual realities with interactive reality, through the application of physics simulation software and computer graphics technology. The firm also applies its technologies to the game development, film production, imaging, and manufacturing industries. The company was founded by Yoshimitsu Fujisawa and Seiichi Koshizuka on October 29, 2004 and is headquartered in Tokyo, Japan.

Hacarus, Inc. provides support system on dietary health through its mobile application. The application is called Hacarus and it offers nutritional content, balance meal suggestions, and dietitian advice. The company was founded by Kenshin Fujiwara on January 14, 2014 and is headquartered in Kyoto, Japan.

Hagiwara Electronics Co. Ltd. is a Japanese company that aims to create "new value" and deliver it to the world. The private company specializes in technology and use their knowledge and experience cultivated in the vehicle field to produce high added value from technology for their customers. The company works closely with their customers to provide them with the best possible solutions.

Part of Shinagawa Refractories Co., Ltd., Shinagawa Fine Ceramics Co., Ltd. is a manufacturer of ceramic products.