Tsutomu Watada

Title: Tsutomu Watada: Innovator in Switch Technology

Introduction

Tsutomu Watada is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of switch technology, holding a total of seven patents. His innovative designs focus on enhancing the durability and functionality of switch apparatuses.

Latest Patents

One of his latest patents is a switch apparatus designed to maintain a liquid-tight seal in the contact housing portion, thereby improving the durability of the device. This invention includes a switch case with a contact housing portion and a shaft hole, a rod with an outer flange capable of engaging with a detecting plate, and a first return spring that biases the rod in the opposite direction of protrusion. Additionally, it features a fixed contact and a movable contact that can move between touching and non-touching positions. A diaphragm made of rubber separates the shaft hole from the contact housing portion, while a movable base supports the movable contact. A second return spring ensures the movable contact touches the fixed contact, and a retention member is interposed between the diaphragm and the rod.

Another notable patent is the inhibitor switch for automatic transmission. This invention integrates a movable contact board with a detent plate that is fixed to a manual shaft. The design improves the relative position accuracy of the movable contact board to the stationary contact board, enhancing the overall functionality of the switch.

Career Highlights

Throughout his career, Tsutomu Watada has worked with several companies, including Niles Parts Company, Ltd. and Niles Co., Ltd. His experience in these organizations has contributed to his expertise in switch technology and innovation.

Collaborations

He has collaborated with notable coworkers such as Takashi Nakazawa and Syunichi Sato, further enriching his professional journey and contributions to the field.

Conclusion

Tsutomu Watada's innovative work in switch technology has led to significant advancements in the industry. His patents reflect a commitment to improving the functionality and durability of switch apparatuses. His contributions continue to influence the field and inspire future innovations.