Ohizumi MFG Co., Ltd.

Ohizumi MFG Co., Ltd. was founded in 1939 and incorporated in 1944. Headquartered in Tokyo, Japan, the company has overseas branches in Dongguan, China, and Thailand. Drawing on decades of expertise in semiconductor ceramics, metals, plastics, and glass technologies, the company develops temperature sensors and provides high-quality products to its customers. As a leading supplier of thermistors, Ohizumi MFG Co., Ltd. has earned the trust of numerous customers worldwide.

Ferrotec Group

In 2022, Ferrotec Group acquired Ohizumi Manufacturing Co., Ltd. Building upon Ohizumi's foundation in temperature sensors and thermistors, Ferrotec established a dedicated Sensor Division. This division will further develop a broader range of sensor products.

Ferrotec Group is a diversified multinational conglomerate with a global marketing network. It maintains subsidiary companies in China, Japan, the United States, Germany, France, Italy, Spain, Russia, South Korea, Malaysia, and other locations, with its industrial footprint centred primarily in Japan and China. Ferrotec demonstrates outstanding market performance across end products, manufacturing equipment, and numerous industries, providing customers with advanced materials, components, and system solutions. This enables customers' products to deliver superior, more precise, and more reliable market performance. Building upon its core technologies in magnetic fluid, magnetohydrodynamic sealing, and thermoelectric semiconductor temperature control, Ferrotec continually explores new technological frontiers. The company possesses robust momentum for sustained growth in product development, manufacturing, and market expansion. Ferrotec is rapidly evolving into a diversified industrial group to meet the ever-increasing demands of its customers.