This inventor holds 3 USPTO granted patents. Top assignee: Nippon Telegraph and Telephone Corporation. Active years: 1991-1998.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1991-1998
Title: Shigendo Nishi: Innovator in Optical Fiber Technology
Introduction
Shigendo Nishi is a prominent inventor based in Yokosuka, Japan. He has made significant contributions to the field of optical fiber technology, holding a total of 3 patents. His work focuses on enhancing the performance and efficiency of optical communication systems.
Latest Patents
One of Nishi's latest patents is a method for measuring the distribution of zero dispersion wavelengths in an optical fiber. This innovative method involves launching an optical pulse and a pump light into the optical fiber. By detecting a gain generation portion of the optical fiber, which indicates that the optical pulse power is amplified based on modulation instability induced by the pump light, Nishi's method allows for the determination of a zero dispersion wavelength from the pump light wavelength.
Another notable patent is related to an optical repeater and optical network. In this invention, at least one optical repeater is connected in series to an optical signal transmission fiber of an optical fiber cable. The optical repeater features an optical amplifier excited by pump light to amplify signal light. The pump light is supplied externally and can be input into the optical amplifier via its input and output ends.
Career Highlights
Shigendo Nishi is associated with Nippon Telegraph and Telephone Corporation, where he has been instrumental in advancing optical fiber technologies. His work has significantly impacted the efficiency of optical communication systems, making them more reliable and effective.
Collaborations
Nishi has collaborated with notable colleagues, including Kazuo Aida and Masatoshi Saruwatari. These collaborations have further enriched his research and development efforts in the field of optical technology.
Conclusion
Shigendo Nishi's contributions to optical fiber technology through his innovative patents have established him as a key figure in the industry. His work continues to influence advancements in optical communication systems, showcasing the importance of innovation in this field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile