Haruo Sakamoto

Title: Haruo Sakamoto: Innovator in Continuously Variable Transmission Technology

Introduction

Haruo Sakamoto is a notable inventor based in Higashihiroshima, Japan. He has made significant contributions to the field of automotive engineering, particularly in the development of control systems for continuously variable transmissions. His innovative work has been recognized through his patent, which showcases his expertise and dedication to advancing automotive technology.

Latest Patents

Sakamoto holds a patent for a "Control system for toroidal type continuously variable transmission." This invention involves a toroidal type continuously variable transmission whose gear ratio is varied by changing the position of a trunnion. The system is equipped with double-slider valves driven by stepping motors and linear solenoid valves. The gear ratio control is performed by adjusting the position of the double-slider valves when the vehicle travels at speeds higher than a specified speed or by directly controlling line and relief pressures applied to the trunnion through the solenoid valves. This innovative approach enhances the efficiency and performance of vehicle transmissions.

Career Highlights

Haruo Sakamoto is currently employed at Mazda Motor Corporation, where he continues to contribute to the advancement of automotive technologies. His work at Mazda has allowed him to collaborate with other talented engineers and inventors, further enriching his experience and expertise in the field.

Collaborations

Sakamoto has worked alongside notable colleagues such as Hidenao Takedomi and Kazuhiko Ueda. Their collaborative efforts have played a crucial role in the development of innovative automotive solutions.

Conclusion

Haruo Sakamoto's contributions to the field of continuously variable transmission technology exemplify his commitment to innovation and excellence. His patent and work at Mazda Motor Corporation highlight his significant impact on the automotive industry.