Eiichi Seki

Rakuten KC Co., Ltd. provides consumer financing and credit card services. It provides short term and long term loans. The company was founded on April 26, 1963 and is headquartered in Fukuoka, Japan

Innova, Inc. is a holding company that develops online marketing solutions. It operates as a technology consultancy, focusing on internet-related technology industry. The firm provides content marketing strategy, planning, research, and production; and business development to local and foreign companies. The company was founded by Sunao Munakata on June 28, 2011 and is headquartered in Tokyo, Japan.

Clean Surface Technology Co. manufactures and distributes mask blanks for flat-panel display production. It provides mask blanks for liquid-crystal displays, plasma display panels, and semiconductor; low reflective black matrix; chromic film products; handling tools; and storage cases. The company was founded on April 7, 1977 and is headquartered in Koza-gun, Japan.

Sogo Medical Co., Ltd. engages in medical support services for hospitals and other medical institutions. It operates through the following segments: Medical Practice Support, Pharmacy and Others, The Medical Practice Support segment offers consultation, rental, leasing and installment services. The Pharmacy segment handles insurance dispensing pharmacy mainly based on dispensing based on prescription outside the hospital. The Others segment handles housing-type nursing homes and its management. The company was founded by Hirosada Oyamada on June 12, 1978 and is headquartered in Fukuoka, Japan.

Sogo Medical Holdings Co., Ltd. operates as a holding company with an interest in the management of pharmaceutical and medical support business of its group companies. The company was founded on October 1, 2018 and is headquartered in Fukuoka, Japan.

LB Co., Ltd. engages in the manufacture and sale of soft drinks, fruit juice and milk drinks. The company was founded on December 22, 1956 and is headquartered in Hasuda, Japan.