Yokohama, Japan

Masayuki Shigematsu

This inventor holds 39 USPTO granted patents and 1 EPO patent, primarily in Optical Communication. Top assignees: Sumitomo Electric Industries, Limited, Nippon Telegraph and Telephone Corporation, Ando Electric Company. Active years: 1989-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Shigematsu. Retrieved from https://idiyas.com/inventor/masayuki-shigematsu

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


% Patents Active = 87.2


Average Co-Inventor Count = 2.7

ph-index = 12

Forward Citations = 410(Granted Patents)


Location History:

  • Kanagawa, JP (1989 - 2003)
  • Yokohama, JP (1989 - 2016)

Company Filing History:


Years Active: 1989-2016

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Areas of Expertise:
Optical Communication
Optical Amplifier
Multi-Core Optical Fiber
WDM Transmission
Fluorescence Glass
Optical Waveguide
Laser Light Source
Chromatic Dispersion
Optical Isolator
Optical Device
Optical Module
Optical Transmission
39 patents (USPTO):Explore Patents

Title: Innovator Spotlight: Masayuki Shigematsu - Pushing Boundaries in Optical Communication

Introduction:

Masayuki Shigematsu, a prolific inventor based in Yokohama, JP, has made significant contributions to the field of optical communication. With an impressive portfolio of 39 patents, Shigematsu is known for his groundbreaking work in developing advanced optical transmission systems.

Latest Patents:

Shigematsu's latest inventions include a Bi-directional Optical Communication Method and Multi-Core Optical Fiber. This innovative multi-core optical fiber is designed for bi-directional optical communication, enabling signal transmission in multiple directions through a common cladding. Additionally, his optical transmission system allows for high-quality transmission of multiple signal channels with precise optical frequency spacing.

Career Highlights:

Having worked at esteemed companies such as Sumitomo Electric Industries, Limited and Nippon Telegraph and Telephone Corporation, Masayuki Shigematsu has honed his expertise in optical communication technologies. His research and inventions have paved the way for advancements in the field, revolutionizing how data is transmitted and processed.

Collaborations:

Throughout his career, Shigematsu has collaborated with esteemed colleagues such as Masayuki Nishimura and Tomonori Kashiwada. Together, they have worked on cutting-edge projects that have had a profound impact on the industry. Their shared dedication to innovation and excellence has led to the development of groundbreaking technologies.

Conclusion:

In conclusion, Masayuki Shigematsu stands out as a visionary inventor in the realm of optical communication. His relentless pursuit of innovation and commitment to pushing boundaries have propelled the field forward, shaping the future of optical transmission systems. With a remarkable track record of patents and collaborations, Shigematsu continues to inspire and drive progress in the industry.

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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