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For the Inventor, By the Inventor

Kawasaki, Japan

Tomonori Kojima

This inventor holds 16 USPTO granted patents and 7 EPO patents. Top assignees: Fujitsu General Limited, Nissan Motor Company Limited. Active years: 2006-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomonori Kojima. Retrieved from https://idiyas.com/inventor/tomonori-kojima

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

USPTO Granted Patents = 16

% Patents Active = 100.0


Average Co-Inventor Count = 4.6

ph-index = 6

Forward Citations = 101(Granted Patents)


Location History:

  • Kanagawa, JP (2009)
  • Kawasawki, JP (2012)
  • Kawasaki, JP (2006 - 2014)

Company Filing History:

goldMedal16 out of 413 
 
Fujitsu General Limited
 patents
silverMedal1 out of 13,420 
 
Nissan Motor Company Limited
 patents
where one patent can have more than one assignee

Years Active: 2006-2026

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16 patents (USPTO):Explore Patents
1. 12627192 - Permanent magnet electric motor (2026-05-12),
2. 12418214 - Electric motor that can be downsized in a rotation axis direction (2025-09-16),
3. 8917007 - Axial gap motor with magnetically securely coupled stator cores and pump device (2014-12-23),
4. 8196283 - Method for manufacturing an axial air-gap electronic motor (2012-06-12),
5. 8042257 - Method for manufacturing a stator core for an axial air-gap electronic motor (2011-10-25),
6. 7714478 - Electric rotary machine (2010-05-11),
7. 7667368 - Axial air-gap electronic motor (2010-02-23),
8. 7629724 - Axial air-gap electronic motor (2009-12-08),
9. 7608954 - Electric motor (2009-10-27),
10. 7569958 - Axial air-gap electronic motor (2009-08-04),
11. 7554226 - Axial air gap type electric motor (2009-06-30),
12. 7531937 - Axial air-gap electronic motor (2009-05-12),
13. 7323801 - Axial air-gap electronic motor (2008-01-29),
14. 7221073 - Axial gap electronic motor (2007-05-22),
15. 7135800 - Axial gap electronic motor (2006-11-14),

Title: Tomonori Kojima: Innovator in Electric Motor Technology

Introduction

Tomonori Kojima is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of electric motor technology, holding a total of 16 patents. His innovative designs focus on enhancing the efficiency and functionality of electric motors.

Latest Patents

Kojima's latest patents include an electric motor that can be downsized in a rotation axis direction. This design not only reduces the size of the motor but also minimizes the deformation of the bearing and bearing house portion. The motor features a columnar rotor, a shaft aligned with the rotor's rotation axis, and a cylindrical stator core. Additionally, it includes a resin shell that encases the stator core and a bearing that supports the shaft. Another notable patent is for an axial gap motor with magnetically securely coupled stator cores, which boasts low magnetic loss and high output. This motor is complemented by a pump device that utilizes its advanced design.

Career Highlights

Throughout his career, Kojima has worked with notable companies such as Fujitsu General Limited and Nissan Motor Company Limited. His experience in these organizations has contributed to his expertise in electric motor technology and innovation.

Collaborations

Kojima has collaborated with talented individuals in the field, including Masaki Yamada and Yoichi Tanabe. These partnerships have fostered a creative environment that has led to groundbreaking advancements in electric motor design.

Conclusion

Tomonori Kojima's contributions to electric motor technology exemplify his innovative spirit and dedication to advancing engineering solutions. His patents reflect a commitment to improving efficiency and functionality in electric motors, making him a significant figure in the industry.

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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