Osaka, Japan

Shigeru Yamaguchi

This inventor holds 3 USPTO granted patents and 2 published patent applications. Top assignee: Sumitomo Special Metals Co., Ltd.. Active years: 1995-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeru Yamaguchi. Retrieved from https://idiyas.com/inventor/shigeru-yamaguchi-j0oxd3oy

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

Calculating rank
USPTO Granted Patents = 3 

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 3

Forward Citations = 30(Granted Patents)


Company Filing History:


Years Active: 1995-1996

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3 patents (USPTO):Explore Patents

Title: Shigeru Yamaguchi: Innovator in DC Current Sensor Technology

Introduction

Shigeru Yamaguchi is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of DC current sensors. With a total of 3 patents to his name, Yamaguchi continues to push the boundaries of innovation in his field.

Latest Patents

Yamaguchi's latest patents include advanced designs for DC current sensors. One of his notable inventions features a detecting core with multiple members that can be divided circumferentially to receive a lead wire. This design incorporates a pair of annular exciting cores made from saturable magnetic material, which work together to magnetically saturate portions of the detecting core. Another patent describes a DC current sensor that utilizes a pair of tubular bodies positioned in parallel, allowing for the detection of current flowing through a wire. This innovative approach enhances the accuracy and efficiency of current detection.

Career Highlights

Shigeru Yamaguchi is currently employed at Sumitomo Special Metals Co., Ltd., where he applies his expertise in developing cutting-edge technologies. His work has garnered attention in the industry, and he is recognized for his contributions to electrical engineering.

Collaborations

Yamaguchi collaborates with fellow inventor Makoto Kawakami, further enhancing the innovative capabilities of their projects. Their partnership has led to advancements in sensor technology and has contributed to the success of their respective patents.

Conclusion

Shigeru Yamaguchi is a distinguished inventor whose work in DC current sensor technology has made a significant impact in the field. His innovative designs and collaborations continue to drive advancements in electrical engineering.

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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