Atsushi Sohmura

Title: Atsushi Sohmura: Optical Transmission Inventions

Introduction

Atsushi Sohmura is an inventor associated with Osaka, Japan. His patent work includes optical transmission devices and jack modules designed to support communication through optical signals. His listed portfolio includes 2 patents.

Latest Patents

Sohmura’s listed patents address components for optical communication.

“Optical transmission device and electronic apparatus” describes a device with a case that holds an optical element and includes an opening for an optical-signal plug. A shutter opens and closes the opening, and its mechanism can be installed from outside the case.

“Jack module for optical transmission and plug-and-jack type optical transmission apparatus” describes a jack module with light-emitting and light-receiving chips mounted on a lead frame and molded in light-pervious resin. The lead frame is angled relative to the inserted plug’s center axis. The design is intended to enable half-duplex communication in a compact, simple, and cost-conscious structure.

Career Highlights

Sohmura’s listed company affiliations include Sharp Kabushiki Kaisha Corporation and Yufu Gosei Kagaku Co., Ltd. The available patent descriptions highlight his work on optical connectors, shutters, and integrated optical components.

Collaborations

His listed coworkers include Hiroshi Mizuno and Koji Nagasaka.

Conclusion

Atsushi Sohmura’s documented inventions focus on practical optical transmission hardware, including plug-and-jack systems and mechanisms for protecting optical connection openings.