Company Filing History:
3 out of 42,517 
2 out of 7 
1 out of 21 Years Active: 1986-1988
Title: Yoichiro Tamiya: Innovator in Projection Aligner Technology
Introduction
Yoichiro Tamiya is a notable inventor based in Higashimurayama, Japan. He has made significant contributions to the field of semiconductor device manufacturing through his innovative work on projection aligners. With a total of 3 patents to his name, Tamiya's inventions have advanced the technology used in the production of high-precision semiconductor devices.
Latest Patents
Tamiya's latest patents include a "Projection aligner method utilizing monitoring of light quantity" and a "Projection aligner with a sensor for monitoring light quantity." Both patents describe a projection aligner that focuses an image of a mask pattern onto a wafer. The key feature of these inventions is the incorporation of sensors that monitor luminosity and its distribution in the optical path. This innovation allows for precise control of luminosity on the wafer, making it particularly effective for minute processing technologies in semiconductor production.
Career Highlights
Throughout his career, Yoichiro Tamiya has worked with prominent companies such as Hitachi, Ltd. and Hitachi Ome Electronic Co., Ltd. His experience in these organizations has contributed to his expertise in the field of semiconductor technology and innovation.
Collaborations
Tamiya has collaborated with notable coworkers, including Koyo Morita and Keizo Nomura. Their collective efforts have furthered advancements in projection aligner technology.
Conclusion
Yoichiro Tamiya's contributions to the field of semiconductor manufacturing through his innovative patents and collaborations highlight his importance as an inventor. His work continues to influence the development of advanced technologies in the industry.