Takafumi Terahara

This inventor holds 75 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 1 EPO patent, primarily in Optical Communication (CPC class H04B). Top assignees: Fujitsu Corporation, Fujitsu Network Communications, Inc., Fujitu Limited. Active years: 1996-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takafumi Terahara. Retrieved from https://idiyas.com/inventor/takafumi-terahara

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

USPTO Granted Patents = 75 (Patent Applications = 2)

% Patents Active = 58.7

CIPO Patents = 1

EPO Patents = 1 (Patent Applications = 3)

Average Co-Inventor Count = 2.1

ph-index = 14

Forward Citations = 586(Granted Patents)

Forward Citations (Not Self Cited) = 575(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

Fujitsu Network Communications, Inc.

Sumitomo Electric Industries, Limited

patents

6. 1 out of 1,414

Yokogawa Electric Corporation

patents

where one patent can have more than one assignee

Years Active: 1996-2024

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Areas of Expertise:

Optical Transmission System

Wavelength Division Multiplexing

Chromatic Dispersion Compensation

Optical Add/Drop Multiplexer

Raman Amplification

Optical Node

Optical Fiber Cable

Network Management

Interferometer

Signal to Noise Ratio

Phase Shift Keying

Optical Cross-Connect

75 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11968033 - Optical transmission device, optical transmission system, and optical transmitting power control method (2024-04-23),

2. 11876559 - Optical transmission system and fiber type determination method (2024-01-16),

3. 11683117 - Receiving apparatus and decoding method (2023-06-20),

4. 11309968 - Optical transmission device and optical transmission method (2022-04-19),

5. 9071379 - Optical branching and insertion device, network management device, and wavelength selective switch (2015-06-30),

6. 9031418 - Communication system, measuring apparatus, transmitting apparatus, and measurement method (2015-05-12),

7. 8958695 - Optical adding and dropping device and optical transmission apparatus (2015-02-17),

8. 8295703 - Optical transmission apparatus (2012-10-23),

9. 8131152 - Optical add/drop multiplexer (2012-03-06),

10. 7936993 - Chromatic dispersion compensating apparatus (2011-05-03),

11. 7933519 - Optical cross-connect using wavelength selective switches (2011-04-26),

12. 7873283 - Method of monitoring optical signal to noise ratio and optical transmission system using the same (2011-01-18),

13. 7860408 - Interferometer for demodulating differential M-phase shift keying signal (2010-12-28),

14. 7853148 - Optical add/drop multiplexer (2010-12-14),

15. 7796887 - Wavelength division multiplexing optical transmission system, and wavelength division multiplexing optical transmission method (2010-09-14),

Title: Takafumi Terahara: Pioneering Inventor from Kawasaki

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

Latest Patents: Terahara's latest patents include cutting-edge advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to pushing the boundaries of technological development.

Career Highlights: With over two decades of experience in the industry, Terahara has a proven track record of transforming innovative ideas into tangible inventions that have revolutionized various sectors. His work has been recognized globally for its ingenuity and practical applications.

Collaborations: Throughout his career, Terahara has collaborated with leading research institutions, universities, and tech companies to further his research and bring his inventions to life. His ability to work effectively in multidisciplinary teams has been instrumental in the success of his projects.

Conclusion: Takafumi Terahara's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazing inventor in the world of technology. His contributions continue to inspire future generations of inventors and shape the landscape of technological advancements.

Profile summary based on public USPTO records.