This inventor holds 4 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 2001-2004.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kanagawa, JP (2002)
- Kawasaki, JP (2001 - 2004)
Company Filing History:
Years Active: 2001-2004
Title: Takaharu Tomita: Innovator in Optical Technology
Introduction
Takaharu Tomita is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of optical technology, holding a total of 4 patents. His work focuses on enhancing the efficiency and performance of optical systems.
Latest Patents
Takaharu Tomita's latest patents include an optical demultiplexer circuit and demultiplexer device, as well as an optical wavelength division multiplex circuit. The optical demultiplexer is designed to reduce the number of expensive dispersion compensators needed when compensating for secondary dispersion during demultiplexing. By incorporating optical circulators, dispersion compensators, and optical filters that reflect specified wavelengths while transmitting others, the system minimizes the dispersion volume of the compensators.
Additionally, his optical wavelength multiplexing system can multiplex up to 16 wavelengths. In scenarios where only a portion of these wavelengths are utilized, the optical amplifier's operation can lead to excessive signal levels, which may degrade the waveform due to nonlinear effects in transmission lines. To address this, Tomita's system transmits a light with a different wavelength alongside the signal wavelengths, ensuring that the total light level in the transmission line matches that of a fully multiplexed system. This innovation helps maintain the quality of the optical signal.
Career Highlights
Takaharu Tomita is currently employed at Fujitsu Corporation, where he continues to develop cutting-edge optical technologies. His expertise and innovative approach have positioned him as a key figure in the advancement of optical communication systems.
Collaborations
One of his notable collaborators is Satoshi Sudo, with whom he has worked on various projects to enhance optical technology.
Conclusion
Takaharu Tomita's contributions to optical technology through his patents and work at Fujitsu Corporation highlight his role as an influential inventor in the field. His innovations continue to shape the future of optical communication systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile