Shirasagi Toshihiko

Title: Shirasagi Toshihiko: Innovator in Optical Devices

Introduction

Shirasagi Toshihiko is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical devices, holding two patents that showcase his innovative approach to technology. His work has implications for various applications in optics and photoelectric conversion.

Latest Patents

Shirasagi's latest patents include an optical device, a method for producing a master for use in producing optical devices, and a photoelectric conversion apparatus. In his optical device, a number of structures with higher or lower portions are arranged at a fine pitch equal to or shorter than the wavelength of visible light on a surface of a base. Each structure is designed to form a plurality of arc track rows on the surface of the base, creating a quasi-hexagonal lattice pattern. The structures have an elliptical cone or truncated elliptical cone shape, with a major axis aligned in the circumferential direction of the arc tracks.

Career Highlights

Throughout his career, Shirasagi has worked with notable companies, including Sony Corporation and Sony Disc & Digital Solutions Inc. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge projects in the optical technology sector.

Collaborations

Shirasagi has collaborated with talented individuals such as Sohmei Endoh and Kazuya Hayashibe. These partnerships have fostered a creative environment that has led to advancements in their respective fields.

Conclusion

Shirasagi Toshihiko is a distinguished inventor whose work in optical devices has paved the way for future innovations. His patents reflect a deep understanding of optical technology and its applications. His contributions continue to influence the industry and inspire future inventors.