Tsukuba, Japan

Takashi Matsui

This inventor holds 41 USPTO granted patents and 35 published patent applications and 12 EPO patents, primarily in Optical Fiber Technology. Top assignees: Nippon Telegraph and Telephone Corporation, Ntt Corporation, Fujikura Limited. Active years: 2008-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Matsui. Retrieved from https://idiyas.com/inventor/takashi-matsui-il3q04da

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

USPTO Granted Patents = 41 

% Patents Active = 95.1

 

Average Co-Inventor Count = 3.9

ph-index = 2

Forward Citations = 24(Granted Patents)


Location History:

  • Ibaraki, JP (2008 - 2015)
  • Tskuba, JP (2020)
  • Tsukuba, JP (2015 - 2022)
  • Musashino, JP (2015 - 2024)

Company Filing History:


Years Active: 2008-2026

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Areas of Expertise:
Multicore Optical Fiber
Optical Transmission System
Optical Connector
Fiber Optic Amplifier
Shape Measurement System
Photonic Crystal Fiber
Bending Loss Measurement
Optical Communication
Evaluation Method
Connection Device
Acoustic Mode Measurement
Holey Optical Fiber
41 patents (USPTO):Explore Patents

Title: Inventor Spotlight: Takashi Matsui

Introduction:

Takashi Matsui, a prolific inventor based in Tsukuba, Japan, has made significant contributions to the field of optical fibers and connectivity solutions. With an impressive portfolio of 22 patents, Matsui's innovative work continues to shape the telecommunications and networking industries.

Latest Patents:

One of Matsui's latest patents showcases his expertise in developing cutting-edge technologies for optical fibers. The patent titled "Multicore Optical Fiber and Design Method" demonstrates his ability to enhance bending loss characteristics and improve overall performance in optical communication systems.

The design method outlined in the patent introduces a multi-core optical fiber structure with a unique ring-shaped low refractive index region, which effectively reduces bending loss while minimizing changes in mode field diameter. This innovation represents Matsui's commitment to pushing the boundaries of optical fiber design for optimal signal transmission.

Core Position Grasping Method, Connection Method, and Connection Device:

In another patent, Matsui introduces a core position recognition method, connection method, and connection apparatus aimed at simplifying connection operations and minimizing rotational and positional displacement issues. By utilizing an innovative approach to recognize core positions and eliminate connection loss, Matsui's invention sets a new standard for efficient and reliable fiber optic connectivity.

Career Highlights:

Throughout his career, Takashi Matsui has held roles at prominent companies such as Nippon Telegraph and Telephone Corporation and Fujikura Limited. His experience in these industry-leading organizations has undoubtedly influenced his inventive spirit and dedication to advancing optical communication technologies.

Collaborations:

Matsui's collaborative efforts with esteemed coworkers like Kazuhide Nakajima and Kyozo Tsujikawa have played a crucial role in bringing his innovative ideas to fruition. Their collective expertise and shared vision have resulted in groundbreaking inventions that have the potential to revolutionize the field of optical networking.

Conclusion:

In conclusion, Takashi Matsui stands out as a visionary inventor whose pioneering work in the field of optical fibers and connectivity solutions continues to drive innovation and shape the future of telecommunications. With a stellar track record of patents and a passion for pushing technological boundaries, Matsui is undoubtedly a trailblazer in his field, inspiring the next generation of inventors to push the limits of what is possible in optical communications.

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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