This inventor holds 2 USPTO granted patents. Top assignee: Sumitomo Electric Industries, Limited. Active years: 1995-2009.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokohama, JP (1995)
- Kanagawa, JP (2009)
Company Filing History:
Years Active: 1995-2009
Title: Toru Kawagishi: Innovator in Optical Technology
Introduction
Toru Kawagishi is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of optical technology, holding a total of 2 patents. His work focuses on improving the performance and reliability of optical transmitters and connectors.
Latest Patents
Kawagishi's latest patents include an innovative optical transmitter designed to prevent overshoot and undershoot in emission wavelengths caused by temperature fluctuations in laser diodes. This optical transmitter features a TEC driver and a master controller. The TEC driver compares the monitored temperature with a target temperature, outputting an error signal to the master controller. This mechanism ensures that the LD-Driver operates only when the error signal remains within a convergent range for a preset period.
Another significant patent is the molded optical connector module. This optical module consists of an optical connector on both the receiver and transmitter sides, with hybrid ICs mounted on a lead frame. The lead frame includes a projecting part that connects to a ground pattern on the hybrid IC's surface via a bonding wire. This design minimizes noise interference from atmospheric electric waves and power lines, enhancing the module's performance.
Career Highlights
Kawagishi is currently employed at Sumitomo Electric Industries, Limited, where he continues to develop cutting-edge optical technologies. His work has been instrumental in advancing the capabilities of optical communication systems.
Collaborations
Throughout his career, Kawagishi has collaborated with esteemed colleagues, including Yutaka Matsumura and Moriyasu Ichino. These partnerships have fostered innovation and contributed to the success of various projects.
Conclusion
Toru Kawagishi's contributions to optical technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovative solutions continue to impact the industry positively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile