Location History:
- Aichi, JA (1977)
- Susono, JP (1990)
Company Filing History:
1 out of 36,653 
1 out of 5,207 
1 out of 1,838 Years Active: 1977-1990
Title: Innovations by Toshio Oonuma
Introduction
Toshio Oonuma is a notable inventor based in Susono, Japan. He has made significant contributions to the field of vehicle suspension systems, holding a total of 3 patents. His work focuses on enhancing vehicle stability and comfort through innovative hydraulic systems.
Latest Patents
One of Oonuma's latest patents is a hydraulic suspension system designed for vehicles. This system features multiple actuators with working fluid chambers that adjust vehicle height by controlling the supply and discharge of working fluid. The design includes cut-off valves and pressure control devices to maintain optimal pressure within the chambers, ensuring a smoother ride.
Another significant patent is a stabilizer control apparatus for motor vehicles. This apparatus regulates the twisting amount of a stabilizer between the left and right wheels based on the vehicle's running state. It employs a hydraulic cylinder unit and control valves to adjust the position of the piston, which corresponds to the stabilizer's twisting amount. The control unit determines the vehicle's stable condition and adjusts the piston position accordingly, enhancing vehicle handling and safety.
Career Highlights
Oonuma has worked with prominent companies in the automotive industry, including Toyota Motor Corporation and Aisin Seiki Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in vehicle technology.
Collaborations
Throughout his career, Oonuma has collaborated with talented individuals such as Hiroyuki Ikemoto and Shuuichi Buma. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Toshio Oonuma's contributions to vehicle suspension technology demonstrate his commitment to innovation and improvement in automotive engineering. His patents reflect a deep understanding of hydraulic systems and their application in enhancing vehicle performance and safety.