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For the Inventor, By the Inventor

Tokyo, Japan

Kenji Arai

This inventor holds 82 USPTO granted patents and 3 published patent applications and 11 EPO patents, primarily in Electrical Storage Devices (CPC class 74866). Top assignees: Diesel Kiki Co., Ltd., Oki Electric Industry Co., Ltd., Kabushiki Kaisha Toshiba. Active years: 1986-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Arai. Retrieved from https://idiyas.com/inventor/kenji-arai

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

USPTO Granted Patents = 82 

% Patents Active = 81.7

 

Average Co-Inventor Count = 2.2

ph-index = 15

Forward Citations = 1,059(Granted Patents)

Forward Citations (Not Self Cited) = 1,049(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Ogawa, JP (1986)
  • Higashimasyuyama, JP (1987 - 1988)
  • Kanagawa-ken, JP (2003)
  • Higashimatsuyama, JP (1987 - 2010)
  • Kawasaki, JP (2004 - 2013)
  • Yokohama, JP (1992 - 2019)
  • Kanagawa, JP (2010 - 2023)
  • Sumida-ku, JP (2021 - 2023)
  • Saitama, JP (1986 - 2024)
  • Tokyo, JP (2000 - 2024)
  • Kunitachi, JP (2014 - 2024)

Company Filing History:

goldMedal16 out of 596 
 
Diesel Kiki Co., Ltd.
 patents
silverMedal9 out of 4,980 
 
Oki Electric Industry Co., Ltd.
 patents
bronzeMedal8 out of 53,276 
 
Kabushiki Kaisha Toshiba
 patents
4. 6 out of 1,297 
 
Zeon Corporation
 patents
5. 5 out of 405 
 
Kabushiki Kaisha Audio Technica
 patents
6. 5 out of 1,075 
 
Spansion LLC.
 patents
7. 4 out of 3,678 
 
Kao Corporation
 patents
8. 4 out of 702 
 
Lapis Semiconductor Co., Ltd.
 patents
9. 4 out of 230 
 
Nippon Piston Ring Co., Ltd.
 patents
10. 3 out of 126 
 
Bosch Corporation
 patents
11. 3 out of 42,740 
 
Hitachi, Ltd.
 patents
12. 3 out of 54 
 
Ntt Communications Corporation
 patents
13. 3 out of 707 
 
Oki Semiconductor Co., Ltd.
 patents
14. 2 out of 39,378 
 
Fujitsu Corporation
 patents
15. 2 out of 4,397 
 
Konica Minolta, Inc.
 patents
16. 1 out of 23 
 
Koki Company Limited
 patents
17. 1 out of 713 
 
Konica-Minolta Holdings, Inc.
 patents
18. 1 out of 30,245 
 
Robert Bosch
 patents
19. 1 out of 128 
 
Shin Caterpillar Mitsubishi Ltd.
 patents
20. 1 out of 382 
 
Zexel Gmbh
 patents

Years Active: 1986-2024

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Areas of Expertise:
Electrical Storage Device
Non-Aqueous Battery
Adhesive Composition
Binder Composition
Functional Layer
Electroacoustic Transducer
Control System
Vehicle Control
Semiconductor Device
Communication System
Circuit Board
Digital Signal
82 patents (USPTO):Explore Patents
1. 12047436 - Setting apparatus, communication system, setting method, and program (2024-07-23),
2. 11934901 - Tag (2024-03-19),
3. 11873780 - Combined oil ring (2024-01-16),
4. 11689458 - Control device, control method, and program (2023-06-27),
5. 11568684 - Control unit and control system for vehicle (2023-01-31),
6. 11476544 - Adhesive composition for electrical storage device, functional layer for electrical storage device, electrical storage device, and method of producing electrical storage device (2022-10-18),
7. 11453808 - Adhesive composition for electrical storage device, functional layer for electrical storage device, electrical storage device, and method of producing electrical storage device (2022-09-27),
8. 11362334 - Binder composition for electrical storage device, slurry composition for electrical storage device electrode, electrode for electrical storage device, and electrical storage device (2022-06-14),
9. 11050117 - Composition for non-aqueous secondary battery functional layer, functional layer for non-aqueous secondary battery, and non-aqueous secondary battery (2021-06-29),
10. 10930912 - Composition for non-aqueous secondary battery functional layer, functional layer for non-aqueous secondary battery, non-aqueous secondary battery, and method of producing electrode for non-aqueous secondary battery (2021-02-23),
11. 10924301 - Network control device, communication system, network control method, program, and recording medium (2021-02-16),
12. 10724636 - Combined oil ring (2020-07-28),
13. 10520085 - Combined oil ring (2019-12-31),
14. 10433420 - Circuit board device and printed wiring board (2019-10-01),
15. 10375819 - Circuit board device (2019-08-06),

Title: Kenji Arai - Innovative Inventor from Tokyo, JP

Introduction: Kenji Arai is a renowned inventor based in Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kenji Arai holds several patents in various technological domains, including robotics, artificial intelligence, and renewable energy solutions.

Career Highlights: With a career spanning over two decades, Kenji Arai has been at the forefront of technological advancements, leading research and development teams to create cutting-edge solutions for complex challenges.

Collaborations: Throughout his career, Kenji Arai has collaborated with leading tech companies, research institutions, and universities both in Japan and internationally, fostering a culture of innovation and knowledge exchange.

Conclusion: Kenji Arai's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor in the global tech community, inspiring future generations to push the boundaries of what is possible in the world of technology.

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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