This inventor holds 2 USPTO granted patents. Top assignee: Honda Giken Kogyo Kabushiki Kaisha. Active years: 2001-2002.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2001-2002
Title: Tomonari Shirai: Innovator in Automatic Transmission Systems
Introduction
Tomonari Shirai is a notable inventor based in Wako, Japan. He has made significant contributions to the field of automatic transmission systems, holding a total of 2 patents. His work focuses on enhancing the efficiency and functionality of automotive transmission technologies.
Latest Patents
Shirai's latest patents include an innovative automatic transmission control system. This control system features a forward/reverse selection hydraulic servomechanism and a D inhibitor valve, which regulates the supply of line pressure to the servo-oil chambers. It incorporates multiple solenoid valves for controlling the actuation of shift valves and the D inhibitor valve. The system operates in two neutral modes, allowing for improved performance in both forward and reverse drive positions.
Another significant patent is for a parallel shaft transmission. This design includes an input shaft, first and second counter shafts, and an output shaft, all arranged in parallel. It features two first change gear trains and multiple clutch means for connecting and disconnecting the shafts, enhancing the overall efficiency of the transmission system.
Career Highlights
Tomonari Shirai is currently employed at Honda Giken Kogyo Kabushiki Kaisha, a leading automotive manufacturer. His work at Honda has allowed him to develop and refine his innovative ideas in transmission technology, contributing to the company's reputation for engineering excellence.
Collaborations
Shirai has collaborated with talented coworkers, including Tatsuyuki Ohashi and Hideki Wakamatsu. Their combined expertise has fostered a creative environment that encourages innovation and the development of advanced automotive technologies.
Conclusion
Tomonari Shirai's contributions to automatic transmission systems exemplify his dedication to innovation in the automotive industry. His patents reflect a commitment to improving vehicle performance and efficiency, making him a valuable asset to Honda and the field of engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile