Toru Katagiri

This inventor holds 63 USPTO granted patents and 6 published patent applications and 11 EPO patents, primarily in Optical Network Design (CPC class H04J). Top assignee: Fujitsu Corporation. Active years: 2003-2022.

USPTO Granted Patents = 63 (Patent Applications = 6)

% Patents Active = 28.6

EPO Patents = 11 (Patent Applications = 5)

Average Co-Inventor Count = 2.7

ph-index = 6

Forward Citations = 120(Granted Patents)

Forward Citations (Not Self Cited) = 115(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kawasaki, KR (2014)
Kawasaki, JP (2003 - 2022)

Company Filing History:

63 out of 39,362

Fujitsu Corporation

patents

Years Active: 2003-2022

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Areas of Expertise:

Optical Network

Data Sharing

Transmission Apparatus

Blockchain

Network Management

Signal Transmission

Frame Generation

Optical Transmission

Encryption

Path Switching

Chromatic Dispersion

Failure Recovery

63 patents (USPTO):Sort by Forward CitationsExplore Patents

1. RE48932 - Frame generating apparatus and frame generating method (2022-02-14),

2. 11063767 - Apparatus and method to perform secure data sharing in a distributed network by using a blockchain (2021-07-13),

3. 10848840 - Communication apparatus and signal relay method (2020-11-24),

4. 10708239 - Edge server, encryption communication control method thereof, and terminal (2020-07-07),

5. 10305588 - Network management device and network management method (2019-05-28),

6. 10230462 - Optical transmission characteristic measurement device and method (2019-03-12),

7. 10158422 - Apparatus and method for estimating optical transmission performance (2018-12-18),

8. RE47127 - Frame generating apparatus and frame generating method (2018-11-12),

9. 9729261 - Transmission apparatus (2017-08-08),

10. 9584307 - Transmission apparatus (2017-02-28),

11. 9264283 - Method of accommodating signals, frame generation apparatus, frame reception apparatus, and transmission system (2016-02-16),

12. 9241203 - Apparatus for controlling a transmission path (2016-01-19),

13. 9191137 - Transmission apparatus, reception apparatus, transmission method, and reception method (2015-11-17),

14. 9160453 - Ring network setup method (2015-10-13),

15. 9154373 - Failure protection method and node apparatus (2015-10-06),

Title: The Innovative Journey of Toru Katagiri

Introduction: Toru Katagiri is a renowned inventor hailing from Kawasaki, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Toru Katagiri holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Toru Katagiri has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Toru Katagiri has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Toru Katagiri's passion for innovation, coupled with his relentless drive to push the boundaries of technology, has solidified his reputation as a pioneering inventor in the global landscape of inventions and patents.