Tsuyoshi Shirasu

SB Human Capital Corp (SB Human Capital) is a private equity firm with headquarters in Japan. The firm was established in 1999 and is a subsidiary of the publicly listed company SoftBank Corp (TYO: 9984).

Part of SoftBank Corp., SB Creative Corp. is a Japanese company that publishes books, sells books online, and hosts websites. The company is based in Tokyo, Japan.

Asratec Corp. is a Japanese company that specializes in developing and selling robots. The private company's products include "Jasmine," an autonomous disinfecting robot that efficiently disinfects indoor facilities by spraying disinfectant, and "Rice," an autonomous indoor delivery robot with obstacle avoidance and elevator linkage functions. In addition to delivering goods, Rice also has a function to lead and guide customers, making it suitable for use in large facilities such as hotels, office buildings, and shopping malls. Asratec focuses on planning, development, sales, and consulting of the robot control system "V-Sido" (Busido). The company has released various videos showcasing their products and services.

Part of SoftBank Corp., Realize Mobile Communications Corp. is a Japanese company that supports innovative business development by changing advanced technology such as MR, smart mobility, and sensing into added value. The company is based in Tokyo, Japan. In promoting business with customers, they are working on four processes, "sharing of vision," "verification of essential challenges," "technology solutions," and "strategic partners." The company was founded in 2000.

BOOKOFF Corp. Ltd. engages in the operation of second-hand bookshops. It operates through the following segments: Reuse Store, BOOKOFF Online, Hugall, and Others. The Reuse Store segment handles the operations of BOOKOFF, BOOKOFF SUPER BAZAAR, and BOOKOFF PLUS stores, which sells reused products and materials such as books, software, apparel, sporting goods, baby supplies, and watches. The BOOKOFF Online segment manages the operation of BOOKOFF Online, an Internet based reuse shops. The Hugall segment purchases other types of merchandise in addition to the usual items. The Others segment includes the planning, design, and construction of stores. The company was founded by Takashi Sakamoto on May 4, 1990 and is headquartered in Sagamihara, Japan.

Cellant Corp. engages in planning, development and sale of internet related software. The company was founded in September 2005 and is headquartered in Tokyo, Japan.