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For the Inventor, By the Inventor

Chiba, Japan

Minoru Nitta

This inventor holds 10 USPTO granted patents. Top assignees: Kawasaki Steel Corporation, Mazda Motor Corporation. Active years: 1976-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Minoru Nitta. Retrieved from https://idiyas.com/inventor/minoru-nitta-owplk6im

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 4.1

ph-index = 6

Forward Citations = 99(Granted Patents)


Location History:

  • Chiba, JA (1976)
  • Chiba, JP (1980 - 1996)

Company Filing History:

goldMedal10 out of 1,256 
 
Kawasaki Steel Corporation
 patents
silverMedal1 out of 4,751 
 
Mazda Motor Corporation
 patents
where one patent can have more than one assignee

Years Active: 1976-1996

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10 patents (USPTO):Explore Patents
1. 5507853 - Iron powder and mixed powder for powder metallurgy as well as method of (1996-04-16),
2. 5458670 - Iron powder and mixed powder for powder metallurgy as well as method of (1995-10-17),
3. 5338508 - Alloy steel powders for injection molding use, their compounds and a (1994-08-16),
4. 4810285 - Process for preparing spherical copper fine powder (1989-03-07),
5. 4743425 - Method of producing ferrous sintered alloys with superior abrasion (1988-05-10),
6. 4266974 - Alloy steel powder having excellent compressibility, moldability and (1981-05-12),
7. 4234168 - Apparatus for producing low-oxygen iron-base metallic powder (1980-11-18),
8. 4223874 - Shaft furnace for producing low-oxygen iron-base metallic powder for (1980-09-23),
9. 4209320 - Process for producing low-oxygen iron-base metallic powder (1980-06-24),
10. 3966454 - Method for producing iron or iron alloy powders having a low oxygen (1976-06-29),

Title: Minoru Nitta: Innovator in Powder Metallurgy

Introduction

Minoru Nitta is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of powder metallurgy, holding a total of 10 patents. His work focuses on improving the properties and applications of iron powder and mixed powders.

Latest Patents

One of Nitta's latest patents involves the development of iron powder and mixed powder for powder metallurgy. This invention aims to control the diffusion of carbon from added graphite to particles of iron powder during the sintering process. By doing so, it enhances the accuracy of dimensional changes in the sintered body. The method utilizes iron powder combined with copper powder and graphite powder, ensuring that specific weight percentages of elements are included to optimize the sintering of mechanical parts.

Career Highlights

Throughout his career, Minoru Nitta has worked with notable companies such as Kawasaki Steel Corporation and Mazda Motor Corporation. His experience in these organizations has allowed him to refine his expertise in metallurgy and innovation.

Collaborations

Nitta has collaborated with esteemed colleagues, including Ichio Sakurada and Shunji Ito. Their combined efforts have contributed to advancements in the field of powder metallurgy.

Conclusion

Minoru Nitta's innovative work in powder metallurgy has led to significant advancements in the industry. His patents reflect a deep understanding of material properties and their applications in mechanical engineering.

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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