Company Filing History:
Years Active: 1987-1999
Title: Yasunobu Tanizaki: Innovator in Semiconductor Technology
Introduction
Yasunobu Tanizaki is a prominent inventor based in Takasaki, Japan. He has made significant contributions to the field of semiconductor technology, holding two patents that showcase his innovative approach to circuit design and manufacturing processes.
Latest Patents
Tanizaki's latest patents include a semiconductor device that features a circuit element in a stress gradient region. This invention involves a thermal oxide film for isolation and a semiconductor region that becomes an element forming region. The design aims to control resistance value variation in diffused resistors, addressing stress generated during the formation of the oxide film. His second patent pertains to a method of manufacturing a semiconductor integrated circuit device, characterized by a Bi-CMOS structure. This invention includes a semiconductor substrate of a first conductivity type and an epitaxially grown semiconductor layer of a second conductivity type, which is electrically isolated into multiple island regions.
Career Highlights
Yasunobu Tanizaki is associated with Hitachi, Ltd., where he has been instrumental in advancing semiconductor technologies. His work has contributed to the development of innovative solutions that enhance the performance and reliability of semiconductor devices.
Collaborations
Tanizaki has collaborated with notable colleagues, including Hideki Yasuoka and Akira Muramatsu. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise in semiconductor research.
Conclusion
Yasunobu Tanizaki's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to impact the industry, paving the way for future innovations in semiconductor devices.