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For the Inventor, By the Inventor

Kakogawa, Japan

Shoji Shirouchi

This inventor holds 12 USPTO granted patents. Top assignees: Kabushiki Kaisha Kobe Seiko Sho, Kobe Steel, Ltd.. Active years: 1982-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shoji Shirouchi. Retrieved from https://idiyas.com/inventor/shoji-shirouchi

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

USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 4.6

ph-index = 7

Forward Citations = 115(Granted Patents)


Location History:

  • Kobe, JP (1982 - 1983)
  • Hyogo, JP (1992)
  • Kakogawa, JP (1994 - 2003)

Company Filing History:

goldMedal7 out of 1,101 
 
Kabushiki Kaisha Kobe Seiko Sho
 patents
silverMedal5 out of 1,921 
 
Kobe Steel, Ltd.
 patents

Years Active: 1982-2003

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12 patents (USPTO):Explore Patents
1. 6605130 - Pellets incorporated with carbonaceous material (2003-08-12),
2. 6334883 - Pellets incorporated with carbonaceous material and method of producing reduced iron (2002-01-01),
3. 6302938 - Reduced pellets (2001-10-16),
4. 6258149 - Method of producing reduced iron agglomerates (2001-07-10),
5. 6152983 - Method of producing reduced iron pellets (2000-11-28),
6. 6129777 - Method of producing reduced iron agglomerates (2000-10-10),
7. 5498399 - Process for removing nitrogen oxides (1996-03-12),
8. 5366950 - Catalyst and process for removing nitrogen oxides (1994-11-22),
9. 5127940 - Self-fluxing pellets to be charged into blast furnace, and method for (1992-07-07),
10. 4372779 - Iron ore pellets containing coarse ore particles (1983-02-08),
11. 4367091 - Fired iron-ore pellets having at least two different precipitated slag (1983-01-04),
12. 4356027 - Iron ore pellets containing magnesium oxide (1982-10-26),

Title: Innovations of Shoji Shirouchi

Introduction

Shoji Shirouchi is a notable inventor based in Kakogawa, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced pellets for iron production. With a total of 12 patents to his name, Shirouchi's work has had a considerable impact on the industry.

Latest Patents

One of his latest patents is focused on pellets incorporated with carbonaceous material. These pellets contain a carbonaceous material and iron ore primarily composed of iron oxide. The invention emphasizes the maximum fluidity of the carbonaceous material during softening and melting. Additionally, it specifies the ratio of iron oxide particles of 10 µm or smaller in the iron ore, which is crucial for achieving excellent thermal conductivity and high strength in the pellets. The reduction of these pellets results in reduced iron that possesses high strength after reduction and a low fines ratio, thereby improving productivity.

Career Highlights

Throughout his career, Shoji Shirouchi has worked with prominent companies such as Kabushiki Kaisha Kobe Seiko Sho and Kobe Steel, Ltd. His experience in these organizations has allowed him to refine his expertise in materials engineering and innovation.

Collaborations

Some of his notable coworkers include Takeshi Sugiyama and Yoshimichi Takenaka. Their collaborative efforts have contributed to the advancements in the technologies related to iron production.

Conclusion

Shoji Shirouchi's innovative work in the field of materials science, particularly with carbonaceous pellets, showcases his significant contributions to the industry. His patents reflect a commitment to enhancing productivity and quality in iron production.

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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