Osaka, Japan

Sadao Fukunaga

This inventor holds 1 USPTO granted patent. Top assignee: Sumitomo Electric Industries, Limited. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sadao Fukunaga. Retrieved from https://idiyas.com/inventor/sadao-fukunaga

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 = 3.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: Sadao Fukunaga: Innovator in Cross-Linked Polyethylene Insulated Cables

Introduction

Sadao Fukunaga is a prominent inventor based in Osaka, Japan, known for his innovative contributions to the field of electrical engineering. He holds a singular patent that reflects his expertise and commitment to advancing technology.

Latest Patents

Fukunaga’s notable patent is for a cross-linked polyethylene insulated cable. This invention is characterized by its unique preparation method, which involves extrusion coating a specialized polyethylene composition onto a conductor. The composition includes polyethylene along with an ethylene-vinyl acetate copolymer, containing a vinyl acetate content of about 28% to 33% by weight. Furthermore, the copolymer exhibits an average particle diameter of less than 1.7 μm. The process is completed with cross-linking the coated polyethylene composition, providing enhanced performance for electrical applications.

Career Highlights

Sadao Fukunaga is employed at Sumitomo Electric Industries, Limited, a leading company in the electronics segment. His work there showcases his dedication to research and innovation, specifically in the development of advanced materials for insulating cables.

Collaborations

Throughout his career, Fukunaga has collaborated with esteemed colleagues, including Shosuke Yamanouchi and Hironaga Matsubara. Their teamwork has undoubtedly contributed to the successful development of innovative technologies within the company.

Conclusion

Sadao Fukunaga exemplifies the spirit of innovation through his work on cross-linked polyethylene insulated cables. His achievements in patenting new technologies continue to foster advancements in electrical engineering, firmly establishing him as a notable inventor 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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