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For the Inventor, By the Inventor

Otake, Japan

Yasuhiko Fujii

This inventor holds 30 USPTO granted patents and 8 EPO patents, primarily in Ferrite Materials. Top assignees: Toda Kogyo Corporation, Hirotani Co., Ltd., Other. Active years: 1993-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiko Fujii. Retrieved from https://idiyas.com/inventor/yasuhiko-fujii

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

USPTO Granted Patents = 30

% Patents Active = 73.3

 

Average Co-Inventor Count = 5.1

ph-index = 5

Forward Citations = 89(Granted Patents)


Location History:

  • Ohtake, JP (1994 - 1996)
  • Ootake, JP (1999 - 2001)
  • Hiroshima, JP (1999 - 2004)
  • Hiroshima-ken, JP (2013 - 2017)
  • Otake, JP (1993 - 2023)

Company Filing History:

goldMedal28 out of 390 
 
Toda Kogyo Corporation
 patents
silverMedal2 out of 4 
 
Hirotani Co., Ltd.
 patents
bronzeMedal2 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1993-2025

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Areas of Expertise:
Ferrite Particles
Bonded Magnets
Resin Composition
Electronic Components
RF Tag
Dioxin Catalyst
Magnetic Toner
Damping Material
Infrared Pigment
Soil Purification
Calcium-Iron Oxide
Composite Particles
30 patents (USPTO):Explore Patents
1. 12246475 - Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the same (2025-03-11),
2. 11823823 - Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the same (2023-11-21),
3. 11820055 - Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the same (2023-11-21),
4. 11228106 - Electronic component, antenna and RF tag (2022-01-18),
5. 10497498 - Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the same (2019-12-03),
6. 10128029 - Ferrite ceramics, ferrite sintered plate and ferrite sintered sheet (2018-11-13),
7. 9691528 - Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the same (2017-06-27),
8. 9607741 - Ferrite particles for bonded magnet, resin composition for bonded magnet and molded products using the same (2017-03-28),
9. 9249033 - Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product comprising the same (2016-02-02),
10. 8741170 - Ferrite particles for bonded magnet, resin composition for bonded magnet and molded products using the same (2014-06-03),
11. 8546475 - Infrared reflecting black pigment, and paint and resin composition using the infrared reflecting black pigment (2013-10-01),
12. 7220366 - Process for purifying contaminated soil or groundwater with iron particles (2007-05-22),
13. 7022256 - Iron particles for purifying contaminated soil or ground water (2006-04-04),
14. 6800587 - Iron compound catalyst for inhibiting generation of dioxin (2004-10-05),
15. 6663840 - Process for treating dioxin-containing exhaust gas and composite catalyst composition for inhibiting generation of dioxin (2003-12-16),

Title: The Innovative Journey of Inventor Yasuhiko Fujii

Introduction: Yasuhiko Fujii is a renowned inventor hailing from Otake, Japan. His passion for innovation and problem-solving has led to numerous groundbreaking inventions in various fields.

Latest Patents: Yasuhiko Fujii holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions. His recent patents focus on enhancing efficiency in industrial processes and improving the quality of life for individuals around the world.

Career Highlights: With a career spanning over two decades, Yasuhiko Fujii has worked with leading technology companies to bring his inventions to life. He has been recognized for his contributions to the field of automation and has received multiple awards for his innovative designs.

Collaborations: Throughout his career, Yasuhiko Fujii has collaborated with top researchers, engineers, and scientists to push the boundaries of technological advancement. His collaborative efforts have resulted in cutting-edge solutions that have revolutionized industries.

Conclusion: Yasuhiko Fujii's dedication to innovation and his relentless pursuit of excellence have established him as a prominent figure in the world of inventors. His contributions continue to inspire future generations of innovators to push the limits 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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