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For the Inventor, By the Inventor

Hitachinaka, Japan

Kenichi Nakayama

This inventor holds 61 USPTO granted patents and 8 published patent applications and 14 EPO patents, primarily in Rotating Electric Machines. Top assignees: Hitachi Automotive Systems, Ltd., Hitachi Astemo Ltd., Hitachi, Ltd.. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenichi Nakayama. Retrieved from https://idiyas.com/inventor/kenichi-nakayama

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

USPTO Granted Patents = 61 

% Patents Active = 91.8

 

Average Co-Inventor Count = 3.4

ph-index = 7

Forward Citations = 132(Granted Patents)

Forward Citations (Not Self Cited) = 103(Dec 10, 2025)


Location History:

  • Yonezawa, JP (2012)
  • Hitachinaka, JP (2010 - 2024)
  • Ibaraki, JP (2011 - 2024)

Company Filing History:

goldMedal34 out of 2,028 
 
Hitachi Automotive Systems, Ltd.
 patents
silverMedal16 out of 1,495 
 
Hitachi Astemo Ltd.
 patents
bronzeMedal7 out of 42,731 
 
Hitachi, Ltd.
 patents
4. 2 out of 817 
 
Nok Corporation
 patents
5. 2 out of 6,961 
 
Sumitomo Chemical Company, Limited
 patents
6. 1 out of 3,208 
 
Dai Nippon Printing Co., Ltd.
 patents
7. 1 out of 1,043 
 
Osaka University
 patents
8. 1 out of 28,940 
 
Ricoh Company, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2010-2026

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Areas of Expertise:
Rotating Electric Machine
Stator Manufacturing
Coil Forming Device
Sealing Structure
Electrical Device
Dynamo-Electric Machine
Rotor Design
Insulating Member
Electric Drive System
Assembling Method
Terminal Block
61 patents (USPTO):Explore Patents
1. 12640610 - Stator for rotating electric machine and rotating electric machine (2026-05-26),
2. 12489328 - Rotary electric machine and electric drive system (2025-12-02),
3. 12476499 - Stator core of rotating electrical machine and rotating electrical machine (2025-11-18),
4. 12431753 - Rotating electric machine and method for manufacturing rotating electric machine (2025-09-30),
5. 12427597 - Welding method and electrical device (2025-09-30),
6. 12341390 - Stator of electric motor and manufacturing method for stator of electric motor (2025-06-24),
7. 12301075 - Method for manufacturing stator of rotating electrical machine, stator of rotating electrical machine, and rotating electrical machine (2025-05-13),
8. 12292114 - Sealing structure and assembling method of sealing structure (2025-05-06),
9. 12237733 - Coil forming device and coil of a rotating electric device (2025-02-25),
10. 12218570 - Rotating electric machine (2025-02-04),
11. 12212203 - Stator of rotating electrical machine, insulating member for rotating electrical machine, and rotating electrical machine (2025-01-28),
12. 12062954 - Stator of rotary electric machine and rotary electric machine including stator (2024-08-13),
13. 12062947 - Rotor for rotary electric machine and rotary electric machine (2024-08-13),
14. 11949303 - Stator, terminal block, and rotating electric machine (2024-04-02),
15. 11536371 - Sealing device and method for assembling same (2022-12-27),

Title: Kenichi Nakayama: Pioneering Inventor from Hitachinaka

Introduction: Kenichi Nakayama is a renowned inventor hailing from Hitachinaka, Japan. With a passion for innovation and a keen eye for detail, he has made significant contributions to the field of technology through his groundbreaking inventions.

Latest Patents: Kenichi Nakayama holds several patents in various technological domains, including robotics, artificial intelligence, and renewable energy. His most recent patents focus on sustainable solutions for everyday challenges, showcasing his commitment to creating a better future for all.

Career Highlights: Throughout his illustrious career, Kenichi Nakayama has worked with leading tech companies to bring his inventions to life. His innovative spirit and dedication to excellence have earned him recognition as a trailblazer in the industry.

Collaborations: Kenichi Nakayama has collaborated with top researchers, engineers, and scientists on cutting-edge projects that push the boundaries of what is possible. His ability to work effectively in multidisciplinary teams has led to the successful development of revolutionary technologies.

Conclusion: In conclusion, Kenichi Nakayama's inventive genius and relentless pursuit of innovation have established him as a visionary inventor in Hitachinaka, Japan, and beyond. His impact on the technological landscape is profound, and his legacy will continue to inspire future generations of inventors.

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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