Maruwa Co.,Ltd. produces and sells ceramics and electronic parts in Japan and internationally. It operates through Ceramic Components Business and Lighting Equipment segments. The company offers ceramics, including ceramic substrates and fillers, metalized/multilayer ceramic substrates, pressed ceramic products, ceramic hermetic seals, and ultra-high purity SiC components; and electronic components and devices, such as antennas, EMC and RF components, and capacitors. It also provides semiconductor products comprising quartz glass products, including quartz tubes and boats; and aluminum nitride components. In addition, the company offers LED lighting products comprising LED streetlights, LED tunnel lights, and LED landscape lights; and technical consultation services. Its products are used in automotive, telecommunications, semiconductors, industrial equipment, and lighting applications. The company was formerly known as Maruwa Ceramic Co., Ltd. and changed its name to Maruwa Co., Ltd. in 1999. Maruwa Co.,Ltd. was incorporated in 1973 and is headquartered in Owariasahi, Japan.