Tosoh Quartz, Inc.
Phil Ritthaler is currently working at Tosoh Quartz as a Computer Numerical Control Machinist since September 2003. Previously, they worked at Boeing as a hand finisher from February 1998 to February 1999. Prior to that, they were at Leatherman Tool Group as a Technical Lead, where they were involved in hand finishing and leading the surface grinding and polishing department. They have a diploma in General Studies from Sam Barlow High School and attended Clackamas Community College from 1995 to 1996.
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Tosoh Quartz, Inc.
We are Tosoh Quartz, Inc. (TQI), the world's leading manufacturer of quartz glassware for the semiconductor industry. With locations in Portland, OR and Durham, UK, we have been dedicated to uncompromising quality and service since our founding in 1957. Our purpose is to transform Earth’s most useful natural substance into products that benefit humanity.