Kamifukuoka, Japan

Kahei Furusawa

This inventor holds 9 USPTO granted patents. Top assignees: Kokusai Denshin Denwa Kabushiki Kaisha, Kokusai Denshin Denwa Co., Ltd., Nippon Electric Co., Ltd.. Active years: 1981-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kahei Furusawa. Retrieved from https://idiyas.com/inventor/kahei-furusawa

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.3

ph-index = 8

Forward Citations = 129(Granted Patents)


Location History:

  • Tokyo, JP (1983)
  • Kamifukuoka, JP (1981 - 1987)

Company Filing History:


Years Active: 1981-1987

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9 patents (USPTO):Explore Patents

Title: Innovations by Inventor Kahei Furusawa

Introduction

Kahei Furusawa, an accomplished inventor based in Kamifukuoka, Japan, has made significant contributions to the field of optical technology. With a total of nine patents to his name, his innovations primarily focus on optical fiber technologies essential for underwater communications.

Latest Patents

Furusawa's recent patents illustrate his commitment to advancing optical technology. One notable patent is the "Optical Fiber Hermetic Fixing Structure of Feedthrough for Optical," which describes a sophisticated hermetic fixing structure designed for optical submarine repeaters. In this innovation, optical fibers are securely housed within a pressure-resistant casing, surrounded by a low-temperature melting metal that ensures a robust seal against seawater. Another significant patent is the "Spliced Portion Housing Structure for Optical Fiber in Optical Submerged," which outlines a unique joint chamber allowing for the splicing of optical fibers and power-supplying feeders in a submerged environment. This design emphasizes water pressure resistance and airtightness, showcasing Furusawa's expertise in creating durable solutions for marine applications.

Career Highlights

Throughout his career, Kahei Furusawa has demonstrated exceptional skills and knowledge in optical communication technologies. He has worked for Kokusai Denshin Denwa, a reputable company in the industry, where he was able to develop and refine his innovative ideas into practical applications.

Collaborations

Furusawa’s work involved significant collaboration with notable colleagues in the field, including Yoshihiro Ejiri and Yoshihiko Yamazaki. These partnerships contributed to the advancement of his projects and showcased a shared commitment to innovation within optical technology.

Conclusion

Kahei Furusawa's contributions to optical technology through his patents reveal his dedication to enhancing underwater communication systems. His innovative designs and collaborative efforts have set a benchmark for future advancements in this crucial industry. As a leading inventor, Furusawa continues to influence the field with his groundbreaking work on optical fibers, solidifying his legacy in the domain of invention.

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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