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For the Inventor, By the Inventor

Itami, Japan

Kazuhiro Hirose

USPTO Granted Patents = 18 

 

Average Co-Inventor Count = 3.7

ph-index = 4

Forward Citations = 56(Granted Patents)


Location History:

  • Itami, JP (2009 - 2016)
  • Sorachi-gun, JP (2018 - 2024)

Company Filing History:

goldMedal12 out of 10,250 
 
Sumitomo Electric Industries, Limited
 patents
silverMedal7 out of 551 
 
Sumitomo Electric Hardmetal Corp.
 patents
bronzeMedal1 out of 80 
 
A.l.m.t. Corporation
 patents
4. 1 out of 36,653 
 
Toyota Jidosha Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 2009-2024

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18 patents (USPTO):Explore Patents
1. 12104229 - Cemented carbide and tool containing the same (2024-10-01),
2. 12098448 - Cemented carbide and cutting tool using same (2024-09-24),
3. 11872636 - Surface-coated cutting tool and method for manufacturing same (2024-01-16),
4. 11167357 - Surface-coated cutting tool (2021-11-09),
5. 9962771 - Surface-coated tool and method of manufacturing the same (2018-05-08),
6. 9498828 - Cutting tool (2016-11-22),
7. 8801816 - Cemented carbide and cutting tool using same (2014-08-12),
8. 8758906 - Soft magnetic material, powder magnetic core and process for producing the same (2014-06-24),
9. 7998361 - Soft magnetic material and powder magnetic core (2011-08-16),
10. 7758706 - Method for producing dust core compact and dust core compact (2010-07-20),
11. 7682695 - Dust core with specific relationship between particle diameter and coating thickness, and method for producing same (2010-03-23),
12. 7678174 - Soft magnetic material, compressed powder magnetic core and method for producing compressed power magnetic core (2010-03-16),
13. 7674342 - Method of producing soft magnetic material, soft magnetic powder, and dust core (2010-03-09),
14. 7641745 - Soft magnetic material and method of producing powder compact (2010-01-05),
15. 7608968 - Dust core and method of manufacturing the same (2009-10-27),

Title: Kazuhiro Hirose: Innovator in Cemented Carbide Technology

Introduction

Kazuhiro Hirose is a prominent inventor based in Itami, Japan, known for his significant contributions to the field of cemented carbide technology. With a total of 18 patents to his name, Hirose has made remarkable advancements that have impacted various industries.

Latest Patents

Hirose's latest patents include innovative developments in cemented carbide compositions and cutting tools. One of his notable inventions is a cemented carbide composed of a first hard phase made of tungsten carbide particles, featuring specific particle diameter ranges. This invention also includes a second hard phase containing compounds such as TiNbC, TiNbN, and TiNbCN, along with a carefully controlled binder phase. Another significant patent focuses on a cemented carbide that consists of tungsten carbide grains and cobalt, with precise specifications regarding the distribution of grain sizes.

Career Highlights

Throughout his career, Kazuhiro Hirose has worked with esteemed companies such as Sumitomo Electric Industries and Sumitomo Electric Hardmetal Corporation. His work in these organizations has allowed him to develop and refine his innovative ideas in cemented carbide technology.

Collaborations

Hirose has collaborated with notable colleagues, including Haruhisa Toyoda and Takao Nishioka, contributing to the advancement of their shared field of expertise.

Conclusion

Kazuhiro Hirose's contributions to cemented carbide technology through his patents and collaborations highlight his role as a leading inventor in this specialized area. His work continues to influence the industry and pave the way for future innovations.

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