ROHM Semiconductor Group / ROHM Co., Ltd. ROHM is one of the world's leading semiconductor manufacturers. Founded in 1958, it is a multinational group company headquartered in Kyoto, Japan. 'Quality first' is the consistent policy of Roma. Products involve multiple fields: including ICs, discrete components, power devices, optical components, passive components, modules, semiconductor applications and medical appliances. In the world's electronics industry, ROHM's many high-quality products have received market approval and praise, becoming the leading enterprise in system IC and the latest semiconductor technology. After more than half a century of development, Roma's production, sales, and R&D networks have spread all over the world. After more than half a century of development, Roma's production, sales, and R&D networks have spread all over the world.