This inventor holds 3 USPTO granted patents. Top assignee: Denso Corporation. Active years: 1998-2002.
Company Filing History:
Years Active: 1998-2002
Title: Tomomasa Oonishi: Innovator in Valve Timing Technology
Introduction
Tomomasa Oonishi is a notable inventor based in Kariya, Japan. He has made significant contributions to the field of automotive engineering, particularly in valve timing technology. With a total of 3 patents to his name, Oonishi's work has had a considerable impact on engine performance and efficiency.
Latest Patents
Oonishi's latest patents include a valve timing adjusting device featuring a stopper piston. This innovative design incorporates a restraining hole that is formed by a straight hole and a tapered hole, allowing for effective control of the relative rotation between a driving shaft system and a driven shaft system. This construction minimizes the occurrence of striking sounds during operation. Another significant patent is a valve timing adjusting device that utilizes a seal plate to partition a sectorial space. This design prevents communication between the advance angle pressure chamber and the retard angle pressure chamber, thereby enhancing engine performance while allowing for a more compact actuator design.
Career Highlights
Tomomasa Oonishi is currently employed at Denso Corporation, a leading company in the automotive industry. His work at Denso has allowed him to focus on developing advanced technologies that improve engine efficiency and performance. Oonishi's innovative designs have contributed to the company's reputation for excellence in automotive engineering.
Collaborations
Oonishi has collaborated with several talented individuals in his field, including Yasushi Morii and Masayasu Ushida. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies.
Conclusion
Tomomasa Oonishi is a distinguished inventor whose work in valve timing technology has made a significant impact on the automotive industry. His innovative patents and contributions to Denso Corporation highlight his commitment to advancing engine performance and efficiency.
