Hajime Nakamura

This inventor holds 55 USPTO granted patents, plus 2 CIPO patents and 20 EPO patents, primarily in Magnetic Materials (CPC class C22C). Top assignees: Shin-Etsu Chemical Co., Ltd., Konica Minolta, Inc., Tachikawa Corporation. Active years: 2003-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Nakamura. Retrieved from https://idiyas.com/inventor/hajime-nakamura

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

USPTO Granted Patents = 55

% Patents Active = 83.6

CIPO Patents = 2 (Patent Applications = 1)

EPO Patents = 20 (Patent Applications = 13)

Average Co-Inventor Count = 2.8

ph-index = 8

Forward Citations = 243(Granted Patents)

Forward Citations (Not Self Cited) = 215(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Takefu, JP (2003 - 2010)
Hino, JP (2019)
Tokyo, JP (2006 - 2022)
Echizen, JP (2009 - 2023)
Hachioji, JP (2014 - 2024)

Company Filing History:

42 out of 5,989

Shin-Etsu Chemical Co., Ltd.

Tachikawa Corporation

patents

4. 2 out of 21

Kddi R&d Laboratories, Inc.

patents

5. 1 out of 141

Shin-Etsu Chemical Ltd.

patents

6. 1 out of 1,410

Yokogawa Electric Corporation

patents

Years Active: 2003-2026

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Areas of Expertise:

Magnetic Refrigeration

Rare Earth Magnets

Sintered Magnet

Nd Based Magnet

Rotor Assembly

Image Forming System

Spectrometry Device

Paper Feed Apparatus

Permanent Magnet

Clutch Mechanism

Sunlight Shielding Apparatus

IPM Rotary Machine

55 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12678857 - Method for manufacturing rare earth magnet (2026-07-14),

2. 12172211 - Method for producing magnetic refrigeration material, and magnetic refrigeration material (2024-12-24),

3. 11993080 - Drive circuit of recording head and image recorder (2024-05-28),

4. 11806782 - Method for producing magnetic refrigeration material, and magnetic refrigeration material (2023-11-07),

5. 11798716 - Rare earth sintered magnet (2023-10-24),

6. 11600413 - R—Fe—B sintered magnet and production method therefor (2023-03-07),

7. 11410805 - R-Fe-B sintered magnet (2022-08-09),

8. 11243116 - Spectrometry device and spectrometry method (2022-02-08),

9. 10937578 - Method for preparing R—Fe—B sintered magnet (2021-03-02),

10. 10720271 - R-Fe-B sintered magnet (2020-07-21),

11. 10573438 - R-(Fe, Co)-B sintered magnet and making method (2020-02-25),

12. 10515747 - R-Fe-B sintered magnet and making method (2019-12-24),

13. 10494208 - Sheet feeding device and image forming apparatus (2019-12-03),

14. 10410775 - R—Fe—B sintered magnet and making method (2019-09-10),

15. 10074477 - Rare earth sintered magnet and making method (2018-09-11),

Title: The Innovative Journey of Hajime Nakamura

Introduction: Hajime Nakamura, a pioneering inventor hailing from Echizen, Japan, has made significant contributions to the world of technology through his groundbreaking inventions and patents.

Latest Patents: Nakamura's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power storage and efficiency. His innovative solutions have garnered attention for their potential to revolutionize the way we harness and utilize clean energy sources.

Career Highlights: With a career spanning over two decades, Nakamura has established himself as a leading figure in the realm of sustainable technology. His early work in battery storage systems laid the foundation for his later innovations in solar energy, earning him recognition as a trailblazer in the industry.

Collaborations: Throughout his career, Nakamura has collaborated with top research institutions and leading tech companies to further develop and implement his inventions. His partnerships have been instrumental in bringing his ideas to life and ensuring their real-world impact.

Conclusion: Hajime Nakamura's relentless pursuit of innovation and commitment to sustainability have cemented his legacy as a visionary inventor. His work continues to inspire future generations of inventors and researchers to push the boundaries of what is possible in the world of technology.

Profile summary based on public USPTO records.