This inventor holds 1 USPTO granted patent. Top assignee: Yazaki Corporation. Active years: 1996.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1996
Title: Keizo Yamamoto: Innovator in Photo SI Thyristor Technology
Introduction
Keizo Yamamoto is a notable inventor based in Susono, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of photo SI thyristor technology. His innovative work has led to the creation of a patent that enhances the performance and reliability of photo relays.
Latest Patents
Yamamoto holds a patent for a "Photo SI thyristor driving circuit and its protection circuit." This invention features a photo SI thyristor driving circuit that exhibits excellent switching characteristics, making it suitable for use in photo relays. The protection circuit is designed to safeguard the photo SI thyristor element from breakdown due to thermal runaway. The driving circuit includes a photo SI thyristor, a MOS transistor in the gate circuit to draw charges when the thyristor is turned off, and multiple photo electromotive force elements that generate a photo current to bias the MOS transistor. The protection circuit consists of a snubber circuit connected between the anode and cathode of the photo SI thyristor, along with a light-emitting element that irradiates light to the photo electromotive elements in response to the snubber circuit's output. Yamamoto's innovative design has resulted in 1 patent.
Career Highlights
Keizo Yamamoto is currently employed at Yazaki Corporation, where he continues to work on advancements in electrical engineering. His expertise and innovative mindset have made him a valuable asset to the company. Throughout his career, he has focused on developing technologies that improve the efficiency and reliability of electronic components.
Collaborations
Yamamoto has collaborated with notable colleagues, including Satoshi Miwa and Akira Baba. Their combined efforts have contributed to the advancement of technology in their field.
Conclusion
Keizo Yamamoto's contributions to the field of electrical engineering, particularly through his patented innovations, demonstrate his commitment to advancing technology. His work continues to influence the development of reliable electronic components, showcasing the importance of innovation in engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile