Osaka, Japan

Yoitsu Sekiguchi

This inventor holds 5 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Sumitomo Electric Industries, Limited. Active years: 2007-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoitsu Sekiguchi. Retrieved from https://idiyas.com/inventor/yoitsu-sekiguchi

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

USPTO Granted Patents = 5 

% Patents Active = 80.0

 

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2007-2020

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5 patents (USPTO):Explore Patents

Title: Yoitsu Sekiguchi: Innovator in Non-Ohmic Technologies

Introduction

Yoitsu Sekiguchi is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of non-ohmic materials and cable technologies. With a total of 5 patents to his name, Sekiguchi continues to push the boundaries of innovation in his industry.

Latest Patents

Sekiguchi's latest patents include groundbreaking inventions such as a non-ohmic composition and a method for manufacturing the same. This invention features a tubular cable interconnect unit designed for power cables. It consists of a tubular insulating tube, a non-ohmic resistor layer made from a specialized composition, and an inner semiconductive layer. The non-ohmic composition is notable for its unique properties, which include a base polymer and varistor grains that exhibit a non-linear volume resistivity in response to applied voltage. Additionally, he has developed a resin composition for insulation layers in direct-current power cables, which incorporates polyolefin and an inorganic filler with specific hydrophobic and aminosilyl groups.

Career Highlights

Yoitsu Sekiguchi is currently employed at Sumitomo Electric Industries, Limited, where he applies his expertise in electrical engineering to develop innovative solutions. His work has been instrumental in advancing the technology used in power cables and related applications.

Collaborations

Sekiguchi collaborates with talented colleagues, including Takanori Yamazaki and Kohei Hosomizu. Their combined efforts contribute to the ongoing success and innovation at Sumitomo Electric Industries.

Conclusion

Yoitsu Sekiguchi is a key figure in the field of electrical engineering, with a focus on non-ohmic technologies and cable innovations. His contributions continue to shape the industry and inspire future advancements.

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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