ROHM COMPANY LIMITED is a Japan-based company mainly engaged in the manufacture and sale of electronic components. The Company operates in three segments. The large-scale integration (LSI) segment provides analogs, logics, memories, application specific integrated circuits (ASICs) and others. The Semiconductor Device segment manufactures and sells diodes, transistors, light emitting diodes and semiconductor lasers. The Others segment offers resistors, print heads, optical modules, tantalum capacitors, power modules and lightings. As of March 31, 2012, the Company had 49 subsidiaries and six associated companies.