This inventor holds 4 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 1992-2000.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tachikawa, JP (1992)
- Kawasaki, JP (1994 - 2000)
Company Filing History:
Years Active: 1992-2000
Title: Atsuhiko Utsumi: Innovator in Optical Signal Control
Introduction
Atsuhiko Utsumi is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of optical signal control, holding a total of 4 patents. His work focuses on enhancing the quality and reliability of optical communication systems.
Latest Patents
One of Utsumi's latest patents is a method, device, and system for controlling the wavelength of an optical signal. This innovative system includes an E/O converter that transforms an input electrical signal into an optical signal. It also features an optical band-pass filter, an O/E converter, a detecting unit for bit error detection, and a control unit that adjusts parameters such as the temperature of a laser diode to maintain a constant wavelength. This approach effectively prevents degradation in transmission quality due to wavelength changes.
Another notable patent is a transmission system that provides a stand-by line switching facility. This system comprises multiple working line side processing equipment and a stand-by line side processing equipment that can replace any faulty working line equipment. The system is designed to issue a single line switching control signal upon receiving a line switching command, allowing for simultaneous line switching between the faulty working line and the stand-by line.
Career Highlights
Atsuhiko Utsumi is currently employed at Fujitsu Corporation, where he continues to innovate in the field of optical communications. His work has been instrumental in developing technologies that enhance the efficiency and reliability of data transmission.
Collaborations
Utsumi has collaborated with notable colleagues such as Junichi Yoshimura and Kouichi Kitano, contributing to advancements in optical technology.
Conclusion
Atsuhiko Utsumi's contributions to optical signal control and transmission systems highlight his role as a key innovator in the field. His patents reflect a commitment to improving communication technologies, ensuring high-quality data transmission.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile