Mamiya-OP Co., Ltd. engages in the manufacture and sale of electronic equipment and sporting goods. It operates through the following segments: Electronic Equipment, Sports, and Real Estate. The Electronic Equipment segment develops, manufactures, and sells pachinko-related equipment, small automatic ticket vending machines, banknote transfer systems, banknote classifiers, film thickness meters, autonomous traveling systems, gaming systems, and magnetic card systems. The Sports segment provides golf-related products, blocking rods, archery arrows, and pole vaults. The Real Estate segment deals with real estate sales, leasing, brokerage, and management. The company was founded in September 1931 and is headquartered in Tokyo, Japan.