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For the Inventor, By the Inventor

Kobe, Japan

Toshitomo Sugiyama

This inventor holds 5 USPTO granted patents. Top assignee: Kawasaki Steel Corporation. Active years: 1976-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshitomo Sugiyama. Retrieved from https://idiyas.com/inventor/toshitomo-sugiyama

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 = 3.9

ph-index = 4

Forward Citations = 34(Granted Patents)


Location History:

  • Kobe, JA (1976)
  • Kobe, JP (1980 - 1981)
  • Chiba, JP (1988 - 1989)

Company Filing History:

goldMedal5 out of 1,256 
 
Kawasaki Steel Corporation
 patents

Years Active: 1976-1989

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5 patents (USPTO):Explore Patents
1. 4846448 - Apparatus for improvement of iron loss of electromagnetic steel sheet or (1989-07-11),
2. 4772338 - Process and apparatus for improvement of iron loss of electromagnetic (1988-09-20),
3. 4255205 - Method of producing grain-oriented silicon steel sheets having (1981-03-10),
4. 4242155 - Method of forming an insulating film on a grain-oriented silicon steel (1980-12-30),
5. 3930906 - Method for forming an insulating glass film on a grain-oriented silicon (1976-01-06),

Title: Innovations by Toshitomo Sugiyama

Introduction

Toshitomo Sugiyama is a notable inventor based in Kobe, Japan. He has made significant contributions to the field of electromagnetic materials, particularly in improving the efficiency of iron loss in electromagnetic steel sheets. With a total of 5 patents to his name, Sugiyama's work has had a considerable impact on the industry.

Latest Patents

Among his latest patents, Sugiyama has developed an apparatus for the improvement of iron loss in electromagnetic steel sheets. This innovative process involves subjecting the steel sheet or amorphous material to an irradiation of plasma flame under specified conditions. His work not only enhances the performance of these materials but also contributes to energy efficiency in various applications.

Career Highlights

Sugiyama is associated with Kawasaki Steel Corporation, where he has been instrumental in advancing research and development in electromagnetic materials. His expertise and innovative approaches have positioned him as a key figure in the field.

Collaborations

Throughout his career, Sugiyama has collaborated with esteemed colleagues such as Nobuyuki Morito and Yasuo Yokoyama. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in technology.

Conclusion

Toshitomo Sugiyama's contributions to the field of electromagnetic materials through his patents and collaborations highlight his role as a leading inventor. His innovative approaches continue to influence the industry and pave the way for 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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