Company Filing History:
4 out of 9 
4 out of 21,351 
3 out of 339 
Years Active: 1999-2007
Title: **The Innovative Journey of Toshio Kawazawa**
Introduction
Toshio Kawazawa is a distinguished inventor based in Tokyo, Japan, known for his significant contributions to optical communication technologies. With an impressive portfolio of 13 patents, Kawazawa has made notable advancements in optical repeating systems that enhance the efficiency of optical communications.
Latest Patents
Kawazawa's most recent patents focus on the development of advanced optical repeating systems and innovative control methods for optical amplifying repeaters. One of his key inventions is an optical repeating system that consists of an optical transmitter and multiple optical amplifying repeaters. This system allows the transmitter to send supervisory commands to the repeaters via an uplink or downlink optical transmission line, effectively supervising their internal circuits. The repeaters subsequently send back supervisory signals indicating the results of the commands. This design improves the efficiency and speed of supervisory information acquisition across multiple optical amplifying repeaters.
In another patent, he introduced an optical amplifying repeater that can react to both supervisory and control commands. This repeater includes various sub-modules for amplifying and repeating main signals across multiple optical transmission lines. With the ability to respond to commands, the system ensures that it can restart its control program even after experiencing operational difficulties, thus maintaining reliability in communication systems.
Career Highlights
Over the course of his career, Toshio Kawazawa has collaborated with significant players in the telecommunications industry, including KDDI Submarine Cable Systems Inc. His innovative work has set benchmarks in the field of optical technology.
Collaborations
Kawazawa has worked alongside notable colleagues such as Koji Goto and Yukio Horiuchi, contributing to the development of cutting-edge optical solutions. Their teamwork exemplifies the collaborative spirit driving advancements in technological innovation.
Conclusion
Through his innovative spirit and dedication to the field, Toshio Kawazawa has established himself as a pivotal figure in the realm of optical communication technology. His contributions through numerous patents not only showcase his technical expertise but also pave the way for future advancements in this critical area of research.