ROHM Semiconductor (ローム株式会社) is a designer and manufacturer of electronic components. The company operates through three main segments: Integrated Circuits (ICs), Discrete Semiconductor Devices, and Modules. The IC segment produces analog, logic, and memory ICs. The Discrete Semiconductor Devices segment provides diodes, transistors, light-emitting diodes, and laser diodes. The Modules segment manufactures printheads, optical modules, and power modules.