Hiroyasu Sasaki

Title: Hiroyasu Sasaki: Innovator in Optical Devices

Introduction

Hiroyasu Sasaki is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of optical devices, holding a total of 15 patents. His innovative work has advanced the technology used in various optical applications.

Latest Patents

One of his latest patents is an optical device that features a substrate and a laser unit that emits light into the substrate. This optical device includes a first substrate with first and second surfaces, and a second substrate with a third surface. The first substrate houses a laser unit that emits light from an active layer, a reflecting mirror that reflects light toward the second surface, and a convex lens formed in a specific region on the second surface. The second substrate is equipped with a grating coupler and an optical waveguide that allows light to propagate through it.

Another notable patent is an optical receiver module that has a shifted center axis of the light receiving element. This module consists of a lens array with multiple condenser lenses arranged in parallel, and a light receiving element array that converts the received light into electrical signals. The design ensures that the optical axis shift is larger in a direction perpendicular to the arrangement of the lenses.

Career Highlights

Hiroyasu Sasaki has worked with several notable companies in the optical industry, including Opnext Japan, Inc. and Oclaro Japan, Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in optical technology.

Collaborations

Throughout his career, Sasaki has collaborated with talented individuals such as Hideo Arimoto and Takanori Suzuki. These partnerships have fostered innovation and have led to the development of cutting-edge optical devices.

Conclusion

Hiroyasu Sasaki's contributions to the field of optical devices are noteworthy and impactful. His patents reflect a deep understanding of optical technology and a commitment to innovation. His work continues to influence the industry and inspire future advancements.