Isao Ogiwara

Koei Kosan KK engages in medium and large scale wooden construction business. The company was founded in 1967 and is headquartered in Osaka, Japan.

Kojitusanso Co., Ltd. engages in selling mountain climbing gear and other outdoor activity tools. Its operations are carried out through the Mountain Climbing Gear Marketing Business and Other Business segments. The Mountain Climbing Gear Marketing Business segment sells mountain climbing gear and other outdoor activity tools through shops and web sites. It also operates climbing gyms. The Other Business segment leases, buys, sells, and manages real estate properties. The company was founded by Kenji Sasaki on June 1, 1963 and is headquartered in Tokyo, Japan.