Tetsuya Hamaoka

Title: Tetsuya Hamaoka: Innovator in Electrical Switch Technology

Introduction

Tetsuya Hamaoka is a notable inventor based in Kadoma, Japan. He is recognized for his contributions to electrical switch technology, particularly in the context of automatic transmissions. His innovative designs have paved the way for advancements in automotive electrical systems.

Latest Patents

Hamaoka holds a patent for an "Electrical switch for detecting positions of an automatic transmission." This invention involves an electrical rotary switch that detects the operative position of an automatic transmission and controls an electric circuit associated with these positions. The switch features a casing made of electrically insulating materials, with fixed contacts on its interior surface. An actuator, which rotates in response to the changing positions of the transmission, is supported between the base and cover plates. This actuator interlocks with the control output shaft of the transmission, ensuring synchronization with its changing positions. The design includes movable contacts that facilitate electrical conduction based on the actuator's angular position, as well as a terminal assembly for connecting to external electric circuits. A third movable contact is also incorporated to energize the starter circuit when the park and neutral positions are detected.

Career Highlights

Hamaoka is associated with Matsushita Electric Works, Ltd., a company known for its innovative electronic products. His work has significantly contributed to the field of electrical engineering, particularly in automotive applications.

Collaborations

Throughout his career, Hamaoka has collaborated with notable colleagues, including Haruhiko Mihara and Norihiro Ida. These collaborations have fostered a creative environment that has led to the development of advanced technologies.

Conclusion

Tetsuya Hamaoka's contributions to electrical switch technology exemplify the impact of innovation in the automotive industry. His patent for an electrical switch demonstrates his commitment to enhancing the functionality and reliability of automatic transmissions.