Hidekazu Yagi

Title: Innovations by Hidekazu Yagi

Introduction

Hidekazu Yagi is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of hybrid vehicle technology, holding a total of 5 patents. His work focuses on enhancing the efficiency and functionality of hybrid vehicles, particularly in their control systems.

Latest Patents

One of Yagi's latest patents is a start control device for hybrid vehicles. This device ensures that an electric vehicle (EV) can reverse start as intended by the driver, even when an engagement command is issued to an engagement clutch that selects an internal combustion engine (ICE) gear shift stage. The system includes a multistage gear transmission with an EV shift actuator and ICE shift actuators. The starting controller operates the EV electric actuator to select the EV 1st gear during starting, facilitating an effective EV reverse start.

Another significant patent is a hybrid vehicle power generation control device. This device prevents unintended engagement of a released engagement clutch during idle power generation. It operates the internal combustion engine during idle power generation, ensuring that the input-output differential rotation speed of engagement clutches remains above a threshold value, thus preventing unwanted engagement.

Career Highlights

Yagi has worked with prominent companies in the automotive industry, including Nissan Motor Company Limited and Jatco Corporation. His experience in these organizations has allowed him to develop innovative solutions that address the challenges faced by hybrid vehicles.

Collaborations

Throughout his career, Yagi has collaborated with talented individuals such as Masato Koga and Atsushi Tsukizaki. These collaborations have contributed to the advancement of hybrid vehicle technologies and have fostered a spirit of innovation in the field.

Conclusion

Hidekazu Yagi's contributions to hybrid vehicle technology through his patents and collaborations highlight his role as a significant inventor in the automotive industry. His work continues to influence the development of more efficient and effective hybrid vehicles.