This inventor holds 1 USPTO granted patent. Top assignee: Hitachi Maxell, Limited. Active years: 2005.
Company Filing History:
Years Active: 2005
Title: Tetsuhiko Sambei: Innovator in Optical Communication Technology
Introduction
Tetsuhiko Sambei is a notable inventor based in Toride, Japan. He has made significant contributions to the field of optical communication technology. His innovative work has led to the development of advanced optical communication devices and modules.
Latest Patents
Tetsuhiko Sambei holds a patent for an optical communication device and a laminated optical communication module. The invention aims to provide an optical communication device that includes a substrate, a vertical waveguide for transmitting light in the thickness direction, a horizontal waveguide for transmitting light in a planar direction, and a light bending portion for optically coupling the two waveguides. The substrate is a laminated body that consists of a first substrate with a groove and a reflective mirror, and a second substrate layered on top. The horizontal waveguide transmits light through a cavity formed by the groove, while the vertical waveguide does so through a cavity formed by a through hole. The light bending portion utilizes the reflective mirror to change the light transmission direction.
Career Highlights
Tetsuhiko Sambei is associated with Hitachi Maxell, Limited, where he has been instrumental in advancing optical communication technologies. His work has been recognized for its innovative approach and practical applications in the industry.
Collaborations
Throughout his career, Tetsuhiko has collaborated with notable colleagues such as Hideo Daimon and Nobuhiro Umebayshi. These collaborations have contributed to the development of cutting-edge technologies in the field.
Conclusion
Tetsuhiko Sambei's contributions to optical communication technology exemplify the spirit of innovation. His patented inventions continue to influence the industry and pave the way for future advancements.