Company Filing History:
Years Active: 1987-1992
Title: Seiji Uemura: Innovator in Automotive Steering Technology
Introduction
Seiji Uemura is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of automotive technology, particularly in steering systems. With a total of 3 patents to his name, Uemura's work showcases his innovative approach to enhancing vehicle performance and safety.
Latest Patents
Uemura's latest patents include a power assist device for automotive steering systems. This device employs an easy-to-assemble hydraulic pressure control valve to compensate for differential forces on opposite sides of an actuating piston in an unbalanced hydraulic cylinder. The design features a piston that divides the cylinder into first and second working chambers, each connected to a hydraulic pump and a return reservoir via spool valves. These valves are actuated by a torsion bar linked to the steering column, allowing for precise control of hydraulic supply and drainage.
Another significant patent is the rack-and-pinion steering gear structure for vehicles. This structure includes a rack housed within a cylinder, driven by a pinion shaft. It features an annular piston with suitable axial clearance in an annular groove defined by multiple surfaces. An elastic annular seal member is interposed between the piston and the boss's outer periphery, ensuring effective operation and durability.
Career Highlights
Seiji Uemura is currently employed at Atsugi Motor Parts Company, Limited, where he continues to develop innovative automotive solutions. His work has been instrumental in advancing steering technology, making vehicles safer and more efficient.
Collaborations
Uemura has collaborated with notable coworkers, including Koichi Komatsu and Shinich Komatsu. Their combined expertise has contributed to the successful development of various automotive technologies.
Conclusion
Seiji Uemura's contributions to automotive steering technology reflect his dedication to innovation and excellence. His patents demonstrate a commitment to improving vehicle performance and safety, making him a significant figure in the automotive industry.