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For the Inventor, By the Inventor

Chiba, Japan

Ko Matsumura

This inventor holds 6 USPTO granted patents. Top assignee: Kawasaki Steel Corporation. Active years: 1976-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ko Matsumura. Retrieved from https://idiyas.com/inventor/ko-matsumura

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 4

Forward Citations = 76(Granted Patents)


Location History:

  • Chiba, JA (1976)
  • Ichihara, JP (1980 - 1981)
  • Chiba, JP (1990 - 1991)

Company Filing History:

goldMedal6 out of 1,256 
 
Kawasaki Steel Corporation
 patents

Years Active: 1976-1991

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6 patents (USPTO):Explore Patents
1. 5013372 - Semi-process non-oriented electromagnetic steel strip having low core (1991-05-07),
2. 4946519 - Semi-processed non-oriented electromagnetic steel strip having low core (1990-08-07),
3. 4938806 - Method for producing an electro-magnetic steel sheet (1990-07-03),
4. 4293336 - Cold rolled non-oriented electrical steel sheet (1981-10-06),
5. 4204890 - Method of producing non-oriented silicon steel sheets having an (1980-05-27),
6. 3940299 - Method for producing single-oriented electrical steel sheets having a (1976-02-24),

Title: Ko Matsumura: Innovator in Electromagnetic Steel Technology

Introduction

Ko Matsumura is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of electromagnetic steel technology, holding a total of 6 patents. His work focuses on enhancing the magnetic properties of steel, which is crucial for various industrial applications.

Latest Patents

Matsumura's latest patents include a semi-process non-oriented electromagnetic steel strip that boasts low core loss and high magnetic permeability. This innovative material consists of specific percentages of elements such as carbon, silicon, aluminum, phosphorus, manganese, and nickel, among others. The manufacturing process involves hot rolling at high temperatures, followed by annealing and cold rolling, which further improves the magnetic properties of the steel strip.

Career Highlights

Ko Matsumura is associated with Kawasaki Steel Corporation, where he has been instrumental in advancing steel technology. His expertise in material science has led to the development of products that meet the growing demands of the industry. His contributions have not only enhanced the performance of electromagnetic steel but have also positioned his company as a leader in this sector.

Collaborations

Matsumura has worked alongside notable colleagues such as Michiro Komatsubara and Atsuhito Honda. Their collaborative efforts have resulted in innovative solutions that push the boundaries of steel technology.

Conclusion

Ko Matsumura's work in the field of electromagnetic steel technology exemplifies the impact of innovation on industrial applications. His patents and collaborations continue to shape the future of materials science.

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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