Mamiya-Op. 

Mamiya-OP Co., Ltd. manufactures and sells electronic and sports equipment in Japan and internationally. It offers garbage disposal machines, thin film thickness meters, ticket-vending machines, banknote transport systems, banknote acceptors, physical random number generators, IC card readers and writers, and medal/coin payout machines, as well as machines for pachinko hall. The company also provides golf equipment, golf shafts, and interrupt rods. In addition, it is involved in the buying and selling of real estate, leasing of trunk rooms, and brokerage and management business. Mamiya-OP Co., Ltd. was founded in 1931 and is headquartered in Tokyo, Japan.