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For the Inventor, By the Inventor

Kitakyushu, Japan

Yoshitaka Hiromae

This inventor holds 5 USPTO granted patents. Top assignee: Nippon Steel Corporation. Active years: 1976-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshitaka Hiromae. Retrieved from https://idiyas.com/inventor/yoshitaka-hiromae

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 = 100.0

Average Co-Inventor Count = 3.1

ph-index = 4

Forward Citations = 32(Granted Patents)


Location History:

  • Kitakyushu, JA (1976)
  • Kitayushu, JP (1981)
  • Kitakyushu, JP (1981 - 1985)

Company Filing History:

goldMedal5 out of 3,711 
 
Nippon Steel Corporation
 patents

Years Active: 1976-1985

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5 patents (USPTO):Explore Patents
1. 4560423 - Process for producing a non-oriented electromagnetic steel sheet having (1985-12-24),
2. 4543134 - Process for producing grain-oriented electrical steel sheet having both (1985-09-24),
3. 4288492 - Insulating coating compositions applied on electrical steel sheets (1981-09-08),
4. 4287006 - Annealing separator for grain oriented silicon steel strips (1981-09-01),
5. 3941910 - Oil-coated metal sheet (1976-03-02),

Title: The Innovations of Yoshitaka Hiromae

Introduction

Yoshitaka Hiromae is a prominent inventor based in Kitakyushu, Japan. He has made significant contributions to the field of electrical steel production, holding a total of 5 patents. His work focuses on enhancing the properties of electromagnetic steel sheets, which are crucial for various industrial applications.

Latest Patents

Hiromae's latest patents include innovative processes for producing non-oriented and grain-oriented electromagnetic steel sheets. One notable invention is a process for producing a non-oriented electromagnetic steel sheet that improves its magnetic properties. Another significant patent involves an annealing separator that comprises specific components, including antimony sulfate and various chlorides, which enhance the magnetic properties and glass film characteristics of grain-oriented electrical steel sheets.

Career Highlights

Yoshitaka Hiromae is currently associated with Nippon Steel Corporation, a leading company in the steel industry. His expertise in the production of electrical steel has positioned him as a key figure in advancing technologies that improve the efficiency and performance of steel products.

Collaborations

Throughout his career, Hiromae has collaborated with notable colleagues, including Kazuo Nakamura and Toshiya Wada. These partnerships have fostered innovation and contributed to the development of advanced materials in the steel sector.

Conclusion

Yoshitaka Hiromae's contributions to the field of electrical steel production are noteworthy. His innovative patents and collaborations have significantly impacted the industry, showcasing his dedication to advancing technology in this vital area.

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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