This inventor holds 6 USPTO granted patents. Top assignees: Nippon Telegraph and Telephone Corporation, Nippon Telegraph and Telephone Public Corporation. Active years: 1981-1988.
Company Filing History:
3 out of 5,300 
3 out of 522 Years Active: 1981-1988
Title: Mitsuho Yasu: Innovator in Optical Waveguide Technology
Introduction
Mitsuho Yasu is a prominent inventor based in Katsuta, Japan. He has made significant contributions to the field of optical waveguide technology, holding a total of 6 patents. His work focuses on enhancing the efficiency and functionality of optical devices through innovative designs and materials.
Latest Patents
Yasu's latest patents include a "Single mode channel optical waveguide with a stress-induced" and a "Hybrid optical integrated circuit." The first patent describes a single mode optical waveguide that incorporates a substrate, a cladding layer, and a core portion. It features an elongated member that applies stress to the core portion or a stress relief groove to manage birefringence caused by thermal expansion differences. The second patent outlines a hybrid optical integrated circuit that integrates a high-silica glass optical waveguide on a silicon substrate. This design includes optical fibers and devices aligned for optimal performance, ensuring high coupling efficiency at a low cost.
Career Highlights
Throughout his career, Mitsuho Yasu has worked with notable organizations, including Nippon Telegraph and Telephone Public Corporation and Nippon Telegraph and Telephone Corporation. His experience in these companies has allowed him to develop and refine his innovative ideas in optical technology.
Collaborations
Yasu has collaborated with esteemed colleagues such as Terutoshi Kanamori and Shuichi Shibata. Their combined expertise has contributed to advancements in the field of optical waveguides and integrated circuits.
Conclusion
Mitsuho Yasu's contributions to optical waveguide technology demonstrate his innovative spirit and commitment to advancing the field. His patents reflect a deep understanding of the complexities involved in optical systems, paving the way for future developments in this area.