Fumihiko Yoshimura

Title: Fumihiko Yoshimura: Innovator in Bonded Assemblies and Probe Pins

Introduction

Fumihiko Yoshimura is a notable inventor based in Yokosuka, Japan. He has made significant contributions to the field of technology, particularly in the development of bonded assemblies and probe pins. With a total of 4 patents to his name, Yoshimura's work has had a considerable impact on the industry.

Latest Patents

Yoshimura's latest patents include innovations such as a bonded assembly and a ceramic circuit substrate and semiconductor device using the same. The bonded assembly features a metal plate and a ceramic substrate bonded through a bonding layer containing silver (Ag). In this assembly, a specific measurement region is defined, where an Ag-rich region has a concentration of 60 at % or more, maintaining an area ratio of 70% or less compared to an Ag-poor region. Another significant patent involves a probe pin designed for use in a probe card. This probe pin has a bent portion at its tip end, configured to prevent breakage during manufacturing processes, thereby enhancing production yield.

Career Highlights

Throughout his career, Fumihiko Yoshimura has worked with prominent companies such as Toshiba Materials Co., Ltd. and Kabushiki Kaisha Toshiba. His experience in these organizations has allowed him to refine his skills and contribute to various technological advancements.

Collaborations

Yoshimura has collaborated with notable coworkers, including Toshiaki Suto and Tsutomu Morioka. These partnerships have likely fostered innovation and creativity in their respective projects.

Conclusion

Fumihiko Yoshimura's contributions to the fields of bonded assemblies and probe pins demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to advancing technology and improving manufacturing processes.