Junji Ohishi

Title: Junji Ohishi: Innovator in Crystal Oscillator Technology

Introduction

Junji Ohishi is a notable inventor based in Sennan, Japan. He is recognized for his contributions to the field of electronics, particularly in the development of crystal oscillators. His innovative designs have paved the way for advancements in various electronic applications.

Latest Patents

Ohishi holds a patent for a crystal oscillator. This invention features a vibrating plate that includes a vibrating part surrounded by a rim part. The rim part is spaced from the vibrating part, except for a narrow connecting part that connects the two in a cantilever fashion. The thickness of the vibrating part and the connecting part is less than that of the rim part. The vibrating part is sandwiched between a pair of casings, each having a recess that prevents contact with the vibrating part. Surface electrodes are positioned on the recesses, with electrode leads extending to the connecting part. Additionally, each casing has a through-hole facing an electrical lead, with a cup-shaped metal lead placed in each through-hole to supply current to the surface electrodes.

Career Highlights

Junji Ohishi is associated with Matsushita Electric Industrial Co., Ltd., a company known for its innovative electronic products. His work has significantly contributed to the company's reputation for quality and technological advancement.

Collaborations

Ohishi has collaborated with notable coworkers, including Yoshikazu Tsuru and Tetsuro Shimamura. Their combined efforts have fostered a creative environment that encourages innovation and development in their projects.

Conclusion

Junji Ohishi's contributions to crystal oscillator technology exemplify the spirit of innovation in the electronics industry. His patent reflects a deep understanding of engineering principles and a commitment to advancing technology.