Kitakyushu, Japan

Hisahumi Sakamoto

This inventor holds 1 USPTO granted patent. Top assignees: Mitsui High-Tec Incorporated, Nippon Steel Corporation. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisahumi Sakamoto. Retrieved from https://idiyas.com/inventor/hisahumi-sakamoto

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 = 4.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: Hisahumi Sakamoto: Innovator in Electric Machinery

Introduction

Hisahumi Sakamoto is a notable inventor based in Kitakyushu, Japan. He has made significant contributions to the field of electric machinery, particularly through his innovative patent related to the annealing process of core blanks used in transformers.

Latest Patents

His most recent patent is titled "Method for annealing a core blank used in electric machinery and devices." This invention addresses the stress relief in electrical steel sheet sections caused by blanking. The method improves upon traditional resistance or gas-heating techniques by utilizing induction heating. The power input range for this process is between 0.5 to 3 kW/kg of the core blank, which minimizes shape variation during heating.

Career Highlights

Sakamoto has worked with prominent companies in the industry, including Nippon Steel Corporation and Mitsui High-Tec Incorporated. His experience in these organizations has contributed to his expertise in electric machinery and innovation.

Collaborations

Some of his notable coworkers include Hiromichi Koshiishi and Sigeki Eguchi. Their collaboration has likely fostered an environment of innovation and development in their respective fields.

Conclusion

Hisahumi Sakamoto's contributions to electric machinery through his innovative patent demonstrate his commitment to advancing technology in this sector. His work continues to influence the industry and inspire future 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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