Tokyo, Japan

Masahide Kuwabara

This inventor holds 10 USPTO granted patents and 1 published patent application, plus 1 CIPO patent. Top assignee: The Furukawa Electric Co., Ltd.. Active years: 1993-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahide Kuwabara. Retrieved from https://idiyas.com/inventor/masahide-kuwabara

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

USPTO Granted Patents = 10 

% Patents Active = 100.0


Average Co-Inventor Count = 3.4

ph-index = 4

Forward Citations = 48(Granted Patents)


Location History:

  • Ichihara, JP (1993)
  • Mie, JP (2000 - 2003)
  • Tokyo, JP (2001 - 2005)
  • Chiyoda-ku, JP (2006)

Company Filing History:


Years Active: 1993-2006

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10 patents (USPTO):Explore Patents

Title: Masahide Kuwabara: Pioneering Innovations in Optical Fiber Technology

Introduction

Masahide Kuwabara, a prominent inventor based in Tokyo, Japan, has made significant contributions to the field of optical fiber technology. With a remarkable portfolio of 10 patents, Kuwabara's work is vital in enhancing the performance and reliability of optical communication systems.

Latest Patents

Among his latest innovations, Kuwabara holds a patent for an "Optical fiber and evaluation method thereof." This optical fiber is characterized by a cutoff wavelength of 1310 nm or less, demonstrating a low transmission loss of 0.40 dB/km at 1385 nm prior to hydrogen ageing. It guarantees minimal loss even after hydrogen ageing across the 1310 nm to 1625 nm range, establishing a high reliability for Wavelength Division Multiplexing (WDM) transmission. The invention also includes an innovative method for evaluating the optical fiber's performance.

Another key patent includes the "Optical fiber for WDM system and manufacturing method thereof," detailing an optical fiber that spans over one kilometer with an average transmission loss at 1383 nm that is notably lower than at 1310 nm. The design ensures that transmission loss remains consistent and efficient, enhancing the effectiveness of WDM systems.

Career Highlights

Kuwabara is an esteemed employee at The Furukawa Electric Co., Ltd., where he plays a crucial role in the development of cutting-edge optical technology. His expertise and dedication to advancing this field have earned him recognition among peers and industry leaders alike.

Collaborations

Throughout his career, Kuwabara has collaborated with talented individuals such as Tetsuro Wada and Yukio Komura. These partnerships have helped propel his innovative ideas forward, fostering a collaborative environment conducive to groundbreaking advancements in optical fiber technology.

Conclusion

Masahide Kuwabara's contributions to the realm of optical fiber innovation underscore his status as a leading inventor in the industry. His patents not only enhance communication technologies but also set new standards for reliability and performance in optical systems. As technology continues to evolve, Kuwabara's work remains a testament to the power of innovation in transforming the way we connect and communicate.

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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