This inventor holds 2 USPTO granted patents. Top assignee: Koyo Seiko Company, Ltd.. Active years: 1990.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1990
Title: Innovations of Hiroshi Ooishi in Hydraulic Power Steering Technology
Introduction
Hiroshi Ooishi is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of hydraulic power steering technology. With a total of 2 patents to his name, his work has had a considerable impact on automotive engineering.
Latest Patents
Hiroshi's latest patents include a hydraulic power steering apparatus and a hydraulic pressure control valve. The hydraulic power steering apparatus features a hydraulic cylinder that assists in steering force. It includes a directional control valve that switches the feeding direction of pressured oil to the hydraulic cylinder. Additionally, it has a constraining device that adjusts its operation based on vehicle speed. This innovation prevents sudden changes in constraining force due to external disturbances, ensuring a smoother driving experience.
The hydraulic pressure control valve is designed to enhance the efficiency of hydraulic power steering systems. It consists of a cylindrical casing with multiple grooves that communicate with different pressure oil destinations. The valve body rotates within the casing, allowing for controlled communication between high and low-pressure sources. This design minimizes noise produced by pressurized oil during operation, contributing to a quieter and more efficient steering system.
Career Highlights
Hiroshi Ooishi is currently employed at Koyo Seiko Company, Ltd., where he continues to develop innovative solutions in hydraulic technology. His expertise and dedication to his work have positioned him as a key figure in the industry.
Collaborations
Hiroshi has collaborated with talented coworkers such as Kazumasa Tabata and Manabu Takaoka. Their combined efforts have led to advancements in hydraulic systems and improved automotive technologies.
Conclusion
Hiroshi Ooishi's contributions to hydraulic power steering technology demonstrate his innovative spirit and commitment to engineering excellence. His patents reflect a deep understanding of automotive needs and a drive to enhance vehicle performance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile