Sakura, Japan

Kunihiko Fujiwara

This inventor holds 58 USPTO granted patents and 2 published patent applications and 4 EPO patents, primarily in Optical Connectors (CPC class G02B). Top assignees: Fujikura Limited, Nec Corporation, Nippon Telegraph and Telephone Corporation. Active years: 2002-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kunihiko Fujiwara. Retrieved from https://idiyas.com/inventor/kunihiko-fujiwara

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

USPTO Granted Patents = 58 

% Patents Active = 79.3

 

Average Co-Inventor Count = 2.6

ph-index = 14

Forward Citations = 804(Granted Patents)

Forward Citations (Not Self Cited) = 731(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Nagareyama, JP (2013)
  • Tokyo, JP (2014)
  • Sakura, JP (2002 - 2023)
  • Chiba, JP (2009 - 2024)

Company Filing History:


Years Active: 2002-2026

Loading Chart...
Loading Chart...
Areas of Expertise:
Optical Connectors
Cleaning Tool
Optical Fiber
Connector System
Fiber Cutter
Optical Ferrule
Alignment Tool
Protective Tube
Fiber Holder
Reflection Surface
Transceiver
Optical Path Changer
58 patents (USPTO):Explore Patents

Title: Kunihiko Fujiwara: Pioneer in Optical Connector Innovations

Introduction: Kunihiko Fujiwara, a renowned inventor based in Sakura, Japan, has made significant contributions to the field of optical connectors with a total of 55 patents under his belt. His latest inventions, including a Connector System and a Cleaning Tool with Attachment, showcase his expertise in optical technology and innovation.

Latest Patents: Fujiwara's recent patents demonstrate his ingenuity in developing cutting-edge optical solutions. The Connector System he designed features a unique optical connection member that facilitates the alignment and connection of multi-core and single-core fibers. Additionally, his Cleaning Tool with Attachment provides a novel approach to cleaning connection end surfaces of optical connectors, enhancing their performance and longevity.

Career Highlights: Throughout his career, Kunihiko Fujiwara has worked with esteemed companies such as Fujikura Limited and NEC Corporation, where he has been instrumental in driving innovation in the optical communication sector. His knack for developing practical solutions to complex technical challenges has solidified his reputation as a trailblazer in the industry.

Collaborations: Fujiwara's collaborative spirit is evident in his work with accomplished colleagues Yukio Hayashi and Akito Nishimura. Together, they have fostered a culture of innovation and teamwork, leading to the successful implementation of various optical connector projects and advancements in the field.

Conclusion: Kunihiko Fujiwara's unwavering dedication to pushing the boundaries of optical connector technology sets him apart as a true pioneer in the realm of inventions. His inventions not only reflect his technical prowess but also his commitment to shaping the future of optical communication. With his legacy secured, Fujiwara continues to inspire aspiring inventors and researchers to pursue excellence in the field of innovation.

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]
Loading…