ROHM Semiconductor is a global company of 352,397 million yen (3,30 billion US$) revenue per March 31th, 2016 with 21,171 employees. ROHM Semiconductor develops and manufactures a very large product range from the Ultra Low Power Microcontroller, Power Management, Standard ICs, SiC Diodes, Mosfets and Modules, Power Transistors and Diodes, LEDs to passives components such as Resistors, Tantalum Capacitors and LED display units, thermal Printheads in state-of-the-art manufacturing plants in Japan, Korea, Malaysia, Thailand, the Philippines, China and Europe.

LAPIS Semiconductor (former OKI Semiconductor), SiCrystal AG, Kionix and Powervation Ltd. are companies of ROHM Semiconductor Group.

ROHM Semiconductor Europe has its head office near Dusseldorf serving the EMEA region (Europe, Middle East and Africa).