Akinobu Ushiyama

Title: Akinobu Ushiyama: Innovator in Optical Film Technology

Introduction

Akinobu Ushiyama is a prominent inventor based in Moriya, Japan, known for his significant contributions to the field of optical film technology. With a total of nine patents to his name, Ushiyama has made remarkable advancements that address critical challenges in optical applications.

Latest Patents

His latest patents include innovations such as optical plastic film, optical laminate, polarization plate, and an image display device utilizing these technologies. One of his key inventions focuses on providing an optical plastic film that minimizes rainbow unevenness when viewed with the naked eye and reduces blackout effects when viewed through polarized sunglasses. This invention outlines specific conditions for measuring in-plane phase differences and standard deviations of the slow axis angle, ensuring high-quality optical performance.

Career Highlights

Ushiyama is currently associated with Dai Nippon Printing Co., Ltd., where he continues to push the boundaries of optical film technology. His work has been instrumental in developing optical films that maintain low-refractive index layers on biaxially stretched plastic films, enhancing their functionality and visual quality.

Collaborations

Throughout his career, Ushiyama has collaborated with notable colleagues, including Takashi Kuroda and Hiroshi Kojima, contributing to a dynamic research environment that fosters innovation.

Conclusion

Akinobu Ushiyama's contributions to optical film technology exemplify the spirit of innovation and problem-solving in the field. His patents not only address existing challenges but also pave the way for future advancements in optical applications.