Takeo Shirasawa

Title: Takeo Shirasawa: Innovator in Push Button Switch Technology

Introduction

Takeo Shirasawa is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of manufacturing, particularly in the development of push button switch covers. With a total of two patents to his name, Shirasawa's work has enhanced the functionality and efficiency of electronic devices.

Latest Patents

Shirasawa's latest patents include innovative methods for manufacturing push button switch covers. One patent describes a method that involves providing a cover substrate with key tops on the front surface and pressing projections on the rear surface. An adhesive is applied to the pressing projection, allowing for the bonding of a dish-shaped metal spring to the pressing projection. This method ensures that the metal spring is accurately aligned, enhancing the overall performance of the switch cover. Another patent focuses on improving the positional accuracy between the cover sheet and the metal springs, which significantly enhances keying characteristics while reducing manufacturing costs.

Career Highlights

Shirasawa is currently employed at Shin-Etsu Polymer Co., Ltd., where he continues to innovate in the field of manufacturing. His work has been instrumental in advancing the technology behind push button switches, making them more reliable and cost-effective.

Collaborations

Throughout his career, Shirasawa has collaborated with talented individuals such as Hitoshi Ando and Fumio Ohshima. These collaborations have contributed to the successful development of his patented technologies.

Conclusion

Takeo Shirasawa's contributions to the manufacturing of push button switch covers demonstrate his innovative spirit and dedication to improving technology. His patents reflect a commitment to enhancing product performance while reducing costs, making a lasting impact in the industry.