Katsunori Ohshima

Title: Katsunori Ohshima: Innovator in Optical Switching Technology

Introduction

Katsunori Ohshima is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of optical switching technology, holding a total of 6 patents. His innovative work has paved the way for advancements in optical devices.

Latest Patents

Ohshima's latest patents include an optical switching element and an optical switching device. The optical switching element features a driving substrate, a transparent substrate, a liquid crystal layer, and a reflection enhancing film. The driving substrate is designed with a pixel region containing multiple pixel electrodes, an outer peripheral region, and a sealing region. The transparent substrate incorporates a counter electrode, while the liquid crystal layer is positioned between the driving and transparent substrates. The reflection enhancing film is applied to the entire surface of the driving substrate and is constructed from stacked dielectric assemblies, each comprising two dielectric films with varying refractive indexes. Notably, the first layer of the reflection enhancing film undergoes planarization.

The optical switching device similarly consists of a drive substrate, a transparent substrate, a liquid crystal layer, and a reflection enhancing film. The drive substrate includes a pixel region with several pixel electrodes, an outer circumferential region, and a seal region. The transparent substrate also contains a counter electrode, and the liquid crystal layer is interposed between the drive and transparent substrates. The reflection enhancing film is applied to the pixel region, outer circumferential region, and seal region, featuring at least one assembly of stacked dielectric films with differing refractive indexes. The first layer of the reflection enhancing film has a distinct thickness compared to the other dielectric films.

Career Highlights

Throughout his career, Katsunori Ohshima has worked with notable companies such as JVC Kenwood Corporation and Victor Company of Japan, Limited. His experience in these organizations has contributed to his expertise in optical technologies and innovations.

Collaborations

Ohshima has collaborated with esteemed colleagues, including Jun Ishikawa and Wataru Fujisawa. These partnerships have further enriched his work and led to advancements in the field of optical switching.

Conclusion

Katsunori Ohshima is a distinguished inventor whose work in optical switching technology has resulted in multiple patents and significant advancements in the industry. His contributions continue to influence the development of innovative optical devices.