Yoshitaka Tokunaga

Title: Innovations of Yoshitaka Tokunaga

Introduction

Yoshitaka Tokunaga is a notable inventor based in Hitachinaka, Japan. He has made significant contributions to the field of electronic control systems, particularly in the automotive industry. With a total of 3 patents, his work focuses on enhancing vehicle safety and functionality.

Latest Patents

One of his latest patents is an on-board electronic controller and on-board device control method. This invention aims to apply an on-board electronic controller that includes a relay control driver circuit for performing ON/OFF control of a relay connecting a wire from a battery. The controller features a switch circuit connected to the output unit of the relay control driver circuit, which draws out a current. In the event of an abnormality in the vehicle, the control circuit activates the switch circuit to prevent the relay from sticking to the ON position, even if the output harness is short-circuited.

Another significant patent is the vehicle-mounted electronic control apparatus. This invention addresses the issue of maintaining operations without affecting other functions when an abnormality is detected in an electronic control apparatus. The system includes a first computing portion and a second computing portion that output operation check signals. The driver control unit sets the driver corresponding to the computing portion indicating an abnormality to a degenerated state, ensuring the safety of the control target device.

Career Highlights

Yoshitaka Tokunaga has worked with prominent companies in the automotive sector, including Hitachi Astemo Ltd. and Hitachi Automotive Systems, Ltd. His experience in these organizations has allowed him to develop innovative solutions that enhance vehicle safety and performance.

Collaborations

Throughout his career, Tokunaga has collaborated with talented individuals such as Chihiro Sato and Hirofumi Kurimoto. These partnerships have contributed to the successful development of his patents and innovations.

Conclusion

Yoshitaka Tokunaga's contributions to electronic control systems in vehicles demonstrate his commitment to innovation and safety. His patents reflect a deep understanding of automotive technology and a dedication to improving vehicle functionality.