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For the Inventor, By the Inventor

Aki, Japan

Hirofumi Kawasaki

This inventor holds 11 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignees: Toda Kogyo Corporation, Imation Corporation. Active years: 1989-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirofumi Kawasaki. Retrieved from https://idiyas.com/inventor/hirofumi-kawasaki

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

USPTO Granted Patents = 11 

% Patents Active = 100.0


Average Co-Inventor Count = 5.4

ph-index = 6

Forward Citations = 69(Granted Patents)


Location History:

  • Aki, JP (1992 - 1995)
  • Aki-gun, JP (1997)
  • Hiroshima, JP (1989 - 1998)
  • Hiroshima-ken, JP (1996 - 2010)
  • Otake, JP (2014 - 2021)

Company Filing History:

goldMedal11 out of 390 
 
Toda Kogyo Corporation
 patents
silverMedal1 out of 621 
 
Imation Corporation
 patents
where one patent can have more than one assignee

Years Active: 1989-2026

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11 patents (USPTO):Explore Patents
1. 12562297 - R-T-B-based rare earth magnet particles, process for producing the R-T-B-based rare earth magnet particles, and bonded magnet (2026-02-24),
2. 11120932 - R-T-B-based rare earth magnet particles, and bonded magnets containing R-T-B-based rare earth magnet particles (2021-09-14),
3. 8907755 - R-T-B-based rare earth magnet particles, process for producing the R-T-B- based rare earth magnet particles, and bonded magnet (2014-12-09),
4. 7670676 - Pharmaceutical raw material (2010-03-02),
5. 5735969 - Method of producing acicular magnetic alloy particles (1998-04-07),
6. 5599378 - Spindle-shaped magnetic iron based alloy particles and process for (1997-02-04),
7. 5531922 - Granulated particles for magnetic particles for magnetic recording, and (1996-07-02),
8. 5466306 - Spindle-shaped magnetic iron based alloy particles (1995-11-14),
9. 5238483 - Acicular magnetic iron based alloy particles for magnetic recording and (1993-08-24),
10. 5156922 - Acicular magnetic iron based alloy particles for magnetic recording and (1992-10-20),
11. 4873010 - Spindle-like magnetic iron oxide particles and process for producing the (1989-10-10),

Title: The Innovative Journey of Hirofumi Kawasaki

Introduction: Hirofumi Kawasaki, a pioneering inventor hailing from Aki, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Hirofumi Kawasaki's latest patents include advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Hirofumi Kawasaki has established himself as a leading figure in the field of technology, holding numerous patents that have revolutionized various industries.

Collaborations: Throughout his career, Hirofumi Kawasaki has collaborated with top research institutions, leading companies, and innovative startups to bring his ideas to life and make a lasting impact on the world.

Conclusion: Hirofumi Kawasaki's relentless pursuit of innovation and his passion for creating solutions to complex challenges have solidified his reputation as a visionary inventor, inspiring the next generation of innovators to push the boundaries of what is possible.

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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