ROHM Co., Ltd. engages in the design and manufacture of integrated circuits and other electronic components. It also develops Large Scale Integrated (LSI) scanner engines designed specifically for cordless hand-held scanners. It operates through the following segments: LSI Integrated Circuits, Discrete Semiconductor Devices, Module and Others. The LSI Integrated Circuits segment includes analog ICs, logic ICs, memory ICs, ASICs, and foundry business operations. The Discrete Semiconductor Devices segment covers diodes, transistors, light-emitting diodes, and laser diodes. The Module segment produces power modules that include printe head and optical modules. The Others segment deals with resistors, tantalum capacitor, power modules, and lighting products. The company was founded by Kenichiro Sato in December 1954 and is headquartered in Kyoto, Japan.