Katsutaka Sakai

Part of Mamezou K2TOP Holdings Corp., Menox Co. Ltd. is a Japanese company that manufactures computer hardware and software and provides software outsourcing and engineer personnel dispatch services. The company is based in Tokyo, Japan. Menox Co. was acquired by Mamezou K2TOP Holdings Corp. on April 01, 2014 for $2.55 million.

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.

Part of Mamezou K2TOP Holdings Corp., Mamezou Co., Ltd. provides information technology solutions. The company is based in Tokyo, Japan and was founded in 2000.

Part of Japan Business Systems, Inc., NEXTSCAPE, Inc. provides data base system development and maintenance services. The company is based in Tokyo, Japan. NEXTSCAPE was founded in 2002. NEXTSCAPE was acquired by Japan Business Systems, Inc. from Mamezou K2TOP Holdings Corp. on December 07, 2022 for $20 million.

Sense Things Japan, Inc. engages in the research, development and sales of products and services that use Internet of Things (IoT) technology. The company was founded on July 13, 2015 and is headquartered in Tokyo, Japan.

Part of Mamezou K2TOP Holdings Corp., Kowamex Co., Ltd. is a Japanese function engineering company that designs and develops basic robot functions such as automobiles, ships, aircraft, etc. The company focuses on the development of next-generation vehicles, such as case case, and provide valuable functions and technologies based on commitment management philosophy for sdgs. The company also offers function en, which provides functional development in the aircraft and ships, and in-vehicle system for cars. Additionally, they have experience and know-how in developing various designs for many years and offer academic and practical curriculum tokai area. The company has three technologies in software, electric, and mecha, and provide case region development technology, mbd/cae solution, and dx solution.

Neutral Co., Ltd. engages in the development of local communities with information technology. The company was founded on March 24, 2000 and is headquartered in Nagoya, Japan.

Part of Mamezou K2TOP Holdings Corp., Digital Media Kenkyusho KK engages in system software development and sales, employee dispatch services, consulting and technical support services. The company is based in Sendai, Japan. Digital Media Kenkyusho KK was acquired by Mamezou K2TOP Holdings Corp. on January 20, 2015 for $0.75 million.

JM Technology, Inc. provides software development and the design and development of hardware solutions. It operates through Information Technology and semiconductor segments. The Information Technology segment develops web systems, infrastructure systems, semiconductor communication control systems, and factory automation and production control systems. The Semiconductor segment offers customized services such as semiconductor manufacturing equipment setup, repairs and maintenance. The company was founded on March 1, 1995 and is headquartered in Fukuoka, Japan.

Part of Mamezou K2TOP Holdings Corp., Mamezou OS (Shanghai) Co. Ltd. develops computer software and provides IT training and tech support services. The company is based in Shanghai, China.

Part of Accenture Plc, Open Stream, Inc. is a Japanese company that provides system integration, cloud, AI, IoT, and cybersecurity services. The company is based in Tokyo, Japan. The company was founded in 2000. The CEO is Kenta Shibamura. Open Stream was acquired by Mamezou K2TOP Holdings Corp. on March 31, 2006 for $5.86 million.

Part of Mamezou K2TOP Holdings Corp., Fosternet Co., Ltd. provides IT related services, including IT personnel recruitment. The company is based in Tokyo, Japan. Fosternet Co. was acquired by Mamezou K2TOP Holdings Corp. from Nihon Data Communication KK on December 31, 2009 for $1.81 million.

Withgreen, Inc. is a fast casual restaurant that focuses on domestic vegetables and meat. The company is based in Chuo-ku, Japan, and the CEO of the company is Tomohiro Takefumi. The Japanese company offers fresh salads that can be delivered to customers' homes or enjoyed on the go. Withgreen/wiz green is committed to sustainability and aims to improve the customer, producer, and environment relationship by 2026. The company also provides welfare services to support employee health with fresh domestic vegetable salads. Withgreen's salad menu includes seasonal salads, original salads, and custom salads, with information on allergies and nutritional content available.