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For the Inventor, By the Inventor

Kawasaki, Japan

Tooru Matsumoto

This inventor holds 5 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 2003-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tooru Matsumoto. Retrieved from https://idiyas.com/inventor/tooru-matsumoto-7vf7k4z6

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 5

% Patents Active = 60.0

Average Co-Inventor Count = 2.1

ph-index = 3

Forward Citations = 179(Granted Patents)


Location History:

  • Yokohama, JP (2003)
  • Kawasaki, JP (2005 - 2020)

Company Filing History:

goldMedal5 out of 39,381 
 
Fujitsu Corporation
 patents

Years Active: 2003-2020

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5 patents (USPTO):Explore Patents
1. 10567081 - Transmission system and transmission method (2020-02-18),
2. 7340165 - Optical amplifying device (2008-03-04),
3. 7113700 - Optical transmission system (2006-09-26),
4. 6839160 - Method of activating optical communication system, channel increasing/decreasing method, and computer-readable recording medium (2005-01-04),
5. 6507922 - Fault indicator circuit in system having circuit blocks (2003-01-14),

Title: Tooru Matsumoto: Innovator in Optical Transmission Technologies

Introduction

Tooru Matsumoto is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of optical transmission technologies, holding a total of 5 patents. His work focuses on enhancing the efficiency and reliability of optical communication systems.

Latest Patents

Matsumoto's latest patents include a transmission system and a transmission method. The transmission system comprises a plurality of nodes, where adjacent nodes are connected by optical fibers compatible with different wavelength bands. Each node includes a transmitting node that generates a wavelength-multiplexed optical signal and a receiving node that demultiplexes the signals. Additionally, he has developed an optical amplifying device that enhances Wavelength Division Multiplexing (WDM) signals. This device features a detecting unit that monitors changes in transmission wavelength and light receiving levels, ensuring optimal performance of the optical amplifier.

Career Highlights

Tooru Matsumoto is currently employed at Fujitsu Corporation, where he continues to innovate in the field of optical technologies. His work has been instrumental in advancing communication systems, making them more efficient and reliable.

Collaborations

Matsumoto has collaborated with notable colleagues, including Shoji Yoshida and Takashi Tsuda. Their combined expertise has contributed to the development of cutting-edge technologies in optical transmission.

Conclusion

Tooru Matsumoto is a key figure in the realm of optical transmission technologies, with a proven track record of innovation and collaboration. His contributions continue to shape the future of communication systems.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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