Hisaaki Tohjima

Title: Hisaaki Tohjima: Innovator in Automatic Transmission Technology

Introduction

Hisaaki Tohjima is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of automotive technology, particularly in the area of automatic transmissions. His innovative work has led to the development of a patent that enhances vehicle performance and fuel efficiency.

Latest Patents

Tohjima holds a patent for a "Lock-up control apparatus for automatic transmission." This invention addresses the challenge of preventing engine stalling during sudden deceleration while maintaining optimal fuel consumption. The apparatus allows for effective control of the torque converter, ensuring that it operates without slip before a sudden deceleration occurs. The controller manages the change-speed control of the automatic transmission and the lock-up control of the torque converter, providing a seamless driving experience.

Career Highlights

Hisaaki Tohjima is currently employed at Nissan Motor Company Limited, where he continues to innovate in the automotive sector. His work has been instrumental in advancing automatic transmission technology, contributing to the overall performance and efficiency of vehicles.

Collaborations

Throughout his career, Tohjima has collaborated with esteemed colleagues such as Yasushi Narita and Yasuhiro Niikura. These partnerships have fostered a creative environment that encourages the development of cutting-edge automotive technologies.

Conclusion

Hisaaki Tohjima's contributions to automatic transmission technology exemplify the spirit of innovation in the automotive industry. His patent for the lock-up control apparatus demonstrates his commitment to enhancing vehicle performance and fuel efficiency. Tohjima's work continues to influence the future of automotive engineering.