This inventor holds 15 USPTO granted patents. Top assignees: Nec Corporation, Nippon Electric Co., Ltd., Other. Active years: 1984-2002.
Company Filing History:
11 out of 36,653 
3 out of 1,038 
1 out of 834,411 Years Active: 1984-2002
Title: Mitsuhiro Kitamura: Innovator in Optical Technologies
Introduction
Mitsuhiro Kitamura is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technologies, holding a total of 15 patents. His work focuses on the development of advanced optical waveguide elements and semiconductor devices.
Latest Patents
Among his latest patents, Kitamura has developed an innovative process for producing optical waveguide elements. This process involves thermally diffusing a metal element or a metallic compound into a substrate with photoelectric properties. The method includes forming a waveguide pattern on the substrate, which incorporates the metal element or metallic compound, and applying a film with electro-optic effects over the waveguide pattern. Additionally, he has created a semiconductor optical amplifier device capable of deflecting output. This device features a semiconductor laser section and a semiconductor optical amplifier on the same substrate, with a tapered electrode that allows for variable injection currents.
Career Highlights
Throughout his career, Mitsuhiro Kitamura has worked with notable companies such as NEC Corporation and Nippon Electric Co., Ltd. His experience in these organizations has contributed to his expertise in optical technologies and semiconductor devices.
Collaborations
Kitamura has collaborated with esteemed colleagues, including Kohroh Kobayashi and Masayuki Yamaguchi. Their joint efforts have further advanced the field of optical innovations.
Conclusion
Mitsuhiro Kitamura's contributions to optical technologies and semiconductor devices have established him as a leading inventor in his field. His innovative patents and collaborations continue to influence advancements in optical engineering.