Tomita Electric Co., Ltd. Tomita Electric Co., Ltd. manufactures and sells ferrite cores and electronic components, primarily soft magnetic materials for high-frequency applications; its core products include soft ferrite cores utilized in switching power supply transformers, various high-frequency transformers, telecommunications transformers, high-frequency EMI filters, and low-frequency noise filters, as well as coils and transformers integrated into electronic circuits for end products such as personal computers, cellular telephones, televisions, VCRs, digital cameras, inverter lighting, air conditioners, washing machines, vending machines, medical appliances, and industrial control equipment. The company also engages in real estate leasing activities. Founded in 1960 and headquartered in Tottori, Japan, Tomita Electric operates manufacturing facilities in Japan and maintains sales offices in Tokyo, Osaka, and Europe (Netherlands), with historical wholly-owned subsidiaries in Hong Kong and China that supported ferrite core production until their mergers around 2012; it serves global markets through direct exports and custom manufacturing capabilities certified under ISO9001, ISO14001, and IATF16949 standards. Recent developments include the cessation of piezoelectric ceramics sales in July 2021, a market transition to the Tokyo Stock Exchange Standard section in April 2022, and a leadership change in March 2025 when Tetsuro Kamitani retired as chairman and Yoichiro Kamitani assumed the presidency.