ROHM Co., Ltd. (ãƒãƒ¼ãƒ , RÅmu) is a Japanese electronic parts supplier based in Kyoto, Japan. ROHM was incorporated as Toyo Electronics Industry Corporation by Kenichiro Sato (ä½è—¤ ç ”ä¸€éƒŽ) on September 17, 1958. The name was officially changed to Rohm in 1981.