Tokyo, Japan

Hisao Sakaguchi

This inventor holds 1 USPTO granted patent. Top assignee: Fujikura Limited. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisao Sakaguchi. Retrieved from https://idiyas.com/inventor/hisao-sakaguchi

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 = 21(Granted Patents)


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: The Innovations of Hisao Sakaguchi

Introduction

Hisao Sakaguchi, an esteemed inventor based in Tokyo, Japan, has made significant strides in the field of electrical engineering. With a focus on improving power transmission reliability, his contributions have had a considerable impact on the industry.

Latest Patents

Sakaguchi holds a patent for an innovative electric power cable line and a method of fabricating the same. This invention involves an electric power cable line where the insulating layer's thickness is increased at the end portions of each cable relative to the center portion. By enhancing the insulation at the extremities, the electrical stress on the overall layer construction is reduced. This design results in improved dielectric strength at the cable ends, thereby enhancing the operational reliability of the power cable line.

Career Highlights

Hisao Sakaguchi is associated with Fujikura Limited, a renowned company committed to excellence in advanced electronics and telecommunications. His work at Fujikura Limited has been pivotal in designing innovative solutions that enhance electrical efficiency and safety.

Collaborations

Throughout his career, Sakaguchi has collaborated with talented professionals, including Hiroto Ooshima and Michio Takaoka. These partnerships have fostered an environment of creativity and innovation, leading to the development of groundbreaking technologies within the industry.

Conclusion

Hisao Sakaguchi has made a remarkable contribution to the field of electrical engineering through his inventive patent. His ongoing collaboration with professionals at Fujikura Limited demonstrates his commitment to advancing technology and ensuring high operational standards in electric power distribution. His work serves as an exemplary model for future inventors aiming to make impactful innovations.

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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