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Furukawa Electric., Ltd.

USPTO Granted Patents = 54

% Expired Patents = 1.9

EPO Patents = 20

Forward Citations = 38

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180 inventors (with patents filed for the assignee):

Kazunori Mukasa (6 out of 60 patents)

Tomomichi Yasuoka (4 out of 9 patents)

Masanori Takahashi (3 out of 67 patents)

4. Ryuichi Sugizaki (3 out of 52 patents)

5. Keiichi Aiso (3 out of 20 patents)

6. Takashi Shigematsu (3 out of 31 patents)

7. Kazuya Nagashima (3 out of 13 patents)

8. Takashi Kayahara (3 out of 8 patents)

9. Asuka Abe (3 out of 6 patents)

10. Kotaro Kitawaki (2 out of 25 patents)

11. Hideyuki Hatakeyama (2 out of 19 patents)

12. Ryo Sakamoto (2 out of 25 patents)

13. Mitsuhiro Iwaya (2 out of 14 patents)

14. Shinichi Arai (2 out of 33 patents)

15. Minoru Morita (2 out of 31 patents)

Core Competencies:

Optical Fiber

Optical Amplifying Fiber

Communication System

Semiconductor Package

Welding Method

Power Supply

Rotary Connector

Heat Sink

Biological Information Measurement

Catalyst Structure

Nanocrystal Composite

Vapor Chamber

54 patents: Sort by Forward Citations

1. 12756185 - Power converter and control method of power converter (2026-10-06),

2. 12751310 - Dicing die attach film and method of producing the same, and semiconductor package and method of producing the same (2026-09-29),

3. 12749391 - Communication system, storage medium, and communication method (2026-09-29),

4. 12746380 - Power supply device and medical device (2026-09-29),

5. 12744136 - Precursor wire for compound superconducting wire, compound superconducting wire, and rewinding method for compound superconducting wire (2026-09-22),

6. 12742962 - Optical device, subassembly of optical device, and method of manufacturing optical device (2026-09-22),

7. 12742629 - Optical coherence tomograph (2026-09-22),

8. 12741337 - Welding method and welding apparatus (2026-09-22),

9. 12738707 - Optical amplifying fiber, optical fiber amplifier, and optical communication system (2026-09-15),

10. 12738702 - Rotary connector device having an electrical connector in a cantilever manner and manufacturing method of rotary connector device (2026-09-15),

11. 12733133 - Heat sink (2026-09-08),

12. 12725999 - Laser light source and method of manufacturing the same (2026-09-01),

13. 12716886 - Biological information measurement device, biological information measurement method, and computer-readable recording medium (2026-08-25),

14. 12716117 - Aluminum alloy disc blank for magnetic disc and magnetic disc (2026-08-25),

15. 12708958 - WELDING METHOD AND WELDING APPARATUS (2026-08-18),

Company Overview

Furukawa Electric, Ltd., headquartered in Tokyo, Japan, is a leading innovator in optical communication systems. The company specializes in the development and manufacturing of advanced optical fiber and optical amplifying fiber technologies, which are essential for high-speed data transmission. Additionally, Furukawa focuses on semiconductor packaging, welding methods, power supply solutions, rotary connectors, and heat sinks, positioning itself at the forefront of telecommunications and electronic components. Its commitment to research and development drives advancements in connectivity and communication infrastructure.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

54 Patents

#763 in Tokyo

#1,629 in Japan

#13,126 in the World

Furukawa Electric., Ltd.

Forward Citations = 38

180 inventors:

Kazunori Mukasa (6 out of 60 patents)

Tomomichi Yasuoka (4 out of 9 patents)

Masanori Takahashi (3 out of 67 patents)

4. Ryuichi Sugizaki (3 out of 52 patents)

5. Keiichi Aiso (3 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Furukawa Electric., Ltd.. Retrieved from https://idiyas.com/company/furukawa-electric

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

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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