Shigeru Matumoto

Title: Shigeru Matumoto: Innovator in Wheel Balance Measurement and Key-Board Switch Technology.

Introduction

Shigeru Matumoto is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of wheel balance measurement and electronic switch technology. With a total of 2 patents to his name, Matumoto's innovations reflect his expertise and dedication to advancing technology.

Latest Patents

One of Matumoto's latest inventions is a wheel balance measuring apparatus. This apparatus includes a frame and a hollow rim support shaft that is rotatably supported by the frame through a bearing. It features a lower rim mounted on the hollow rim support shaft and an upper rim positioned above it. The tested wheel is sandwiched between these rims and rotated for measuring its dynamic balance. The apparatus also includes a coupling shaft with engaging projections and a shift device that regulates the rim width of the tested wheel.

Another significant invention is a key-board switch unit designed for pocketable electronic calculators. This unit comprises a base plate with switch electrodes and a covering pad made of insulating rubber. The pad contains a contact member made of electroconductive rubber, which is bonded to the lower surface. The design ensures reliable switching and durability, emphasizing the importance of the hardness relationship between the materials used.

Career Highlights

Throughout his career, Shigeru Matumoto has worked with prominent companies such as Shin-Etsu Polymer Co., Ltd. and Kokusai Keisokuki Co., Ltd. His experience in these organizations has contributed to his development as an inventor and innovator.

Collaborations

Matumoto has collaborated with notable individuals in his field, including Ryoichi Sado and Takekuni Okamoto. These partnerships have likely enriched his work and led to further advancements in his inventions.

Conclusion

Shigeru Matumoto's contributions to technology through his patents in wheel balance measurement and key-board switch units highlight his innovative spirit. His work continues to influence the fields of engineering and electronics, showcasing the importance of creativity in technological advancement.