Tosoh Quartz, Inc. is an American private company located in Portland, OR. The firm manufactures and supplies quartz glassware for the semiconductor industry. It was founded in 1957. Roger E. Wood is the CEO, in this role since 1978.\nThe company says this about itself: Tosoh Quartz, Inc. is an industry leader in the production of quartz glass products for use by the semiconductor industry in the manufacture of integrated circuits. Tosoh Quartz, Inc. has been operating in Portland, Oregon, since 1970 and in Durham, England, since 1993, and is a member of Tosoh Corporations Advanced Materials Division, which includes Tosoh Quartz Corporation (Japan), Tosoh Quartz Co., Ltd.(Taiwan), Tosoh SMD, Inc. (United States, Korea, Taiwan, China), Tosoh Speciality Materials Corporation (Japan) and Tosoh SGM Corporation (Japan).