Katsumasa Takai

Part of Sankyo Co., Ltd., JB Co., Ltd. is a Japanese company that manufactures and distributes pachinko gaming machines. The private company is based in Tokyo, Japan. JB Co. was acquired by Sankyo Co., Ltd. on January 26, 2015.

Marf Corp. KK engages in securities holding and management business, and real estate ownership, management and leasing operations. The company is headquartered in Tokyo, Japan.

ARK Resource Co. Ltd. is a Japanese company that specializes in the manufacturing of monoclonal and polyclonal antibodies, fertilized eggs in mouse/rats, and culture used for reproductive engineering. ARK Resource Co. was founded in 1966 and is based in Kumamoto, Japan, with headquarters located at 383-2 Nakahara-cho, Nishi-ku, Kumamoto-shi, Kumamoto. The company offers a wide range of services from units to g units, including the supply of mouse monoclonal antibodies by ascelonus method and culture method. The company also provides a quick diagnostic genetic modified animal breeding colony by the service introduction pcr method, performing homo / hetero / wild type screening (geno typing). The company can identify specific disease bacteria in biological samples and culture cells.