Tokyo, Japan

Kenji Matsumoto

This inventor holds 82 USPTO granted patents and 11 published patent applications and 7 EPO patents, primarily in Semiconductor Manufacturing (CPC class H01L23-53238). Top assignees: Tokyo Electron Limited, 3M Innovative Properties Company, Citizen Watch Company, Ltd.. Active years: 1980-2026.

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

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 = 56.1

 

Average Co-Inventor Count = 2.6

ph-index = 16

Forward Citations = 702(Granted Patents)

Forward Citations (Not Self Cited) = 691(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Musashimurayama, JP (1988)
  • Kawaski, JP (2002)
  • Kawasaki, JP (2000 - 2003)
  • Tokorozawa, JP (2003)
  • Yamato, JP (2003)
  • Saitama, JP (1996 - 2004)
  • Kanagawa Pref, JP (2004)
  • Sendai, JP (2014)
  • Yamanashi, JP (2002 - 2016)
  • Nirasaki, JP (2004 - 2016)
  • Setagaya-ku, JP (2018)
  • Takasaki, JP (2019)
  • Miyagi, JP (2017 - 2022)
  • Tokyo, JP (1980 - 2023)

Company Filing History:

goldMedal32 out of 10,904 
 
Tokyo Electron Limited
 patents
silverMedal9 out of 22,398 
 
3M Innovative Properties Company
 patents
bronzeMedal9 out of 2,004 
 
Citizen Watch Company, Ltd.
 patents
4. 8 out of 450 
 
Citizen Holdings Company, Ltd.
 patents
5. 5 out of 2,260 
 
Japan Aviation Electronics Industry, Limited
 patents
6. 5 out of 1,051 
 
Tohoku University
 patents
7. 4 out of 3,106 
 
Konica Corporation
 patents
8. 2 out of 5,194 
 
Bridgestone Corporation
 patents
9. 2 out of 608 
 
Citizen Electronics Co., Ltd.
 patents
10. 2 out of 10,092 
 
Honda Giken Kogyo Kabushiki Kaisha
 patents
11. 2 out of 2,566 
 
Hoya Corporation
 patents
12. 2 out of 15 
 
National Center for Child Health and Development
 patents
13. 2 out of 1,769 
 
Taiyo Yuden Co., Ltd.
 patents
14. 1 out of 1,306 
 
Dainippon Screen Mfg. Co., Ltd.
 patents
15. 1 out of 1 
 
Hobit Genomix, Inc.
 patent
16. 1 out of 4 
 
Hubit Genomix, Inc.
 patents
17. 1 out of 389 
 
Konica Minolta Medical and Graphic, Inc.
 patents
18. 1 out of 870 
 
Kyoto University
 patents
19. 1 out of 36,684 
 
Nec Corporation
 patents
20. 1 out of 264 
 
Pentel Kabushiki Kaisha
 patents
21. 1 out of 103 
 
Tokyo Electron Limi Ted
 patents
22. 2 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1980-2026

Loading Chart...
Loading Chart...
Areas of Expertise:
Semiconductor Device
Cu Wiring
Film Forming
Touch Panel
Laser Microscope
Optical Unit
Aberration Correction
Electronic Component
Light Modulating Device
Processing System
Immunosuppression
Wiring Board
82 patents (USPTO):Explore Patents

Title: Kenji Matsumoto: Innovating with Precision in Tokyo

Introduction:

In the realm of innovations and patents, Kenji Matsumoto, a Tokyo-based inventor, has made significant contributions to various fields through his ingenious ideas and intellectual prowess. With an impressive collection of 100 patents under his belt, Matsumoto's latest inventions testify to his acute attention to detail and his relentless pursuit of perfection.

Latest Patents:

Kenji Matsumoto's recent patents showcase his mastery of intricate wiring board production methods and advanced processing systems. One such patent involves a wiring board production method wherein fine-wire patterns made of cured conductive ink are delicately formed on a board surface. Matsumoto's innovation ensures optimal efficiency and performance by precisely controlling the line width of the fine wires, preventing intersections and optimizing the alignment of the conductive patterns.

Another groundbreaking patent involves a plasma processing system that encompasses various processing modules, each serving a specific purpose. Matsumoto's genius is evident in the control unit, which maintains precise levels of oxygen partial pressure and water vapor partial pressure within the transfer device. This meticulous control guarantees optimal performance during etching, surface treatment, and deposition processes, ultimately leading to enhanced results.

Career Highlights:

Kenji Matsumoto has contributed his innovative expertise to renowned companies such as Tokyo Electron Limited and Honda Giken Kogyo Kabushiki Kaisha (Honda Motor Co., Ltd). His time spent at these prestigious organizations has allowed him to collaborate with industry leaders and contribute to cutting-edge projects that shape technology's future.

Collaborations:

Throughout his career, Matsumoto has had the privilege of working alongside accomplished coworkers, including Hitoshi Itoh and Toshiyuki Matsuoka. These dynamic collaborations have likely fueled Matsumoto's creativity and provided him with valuable insights, leading to the development of numerous patents.

Conclusion:

Kenji Matsumoto's exemplary work as an inventor and his prolific patent portfolio underscore his dedication to pushing the boundaries of innovation. By focusing on wiring board production methods and processing systems, Matsumoto continues to impact various industries with his precision-oriented inventions. As his career progresses, we eagerly anticipate witnessing more ground-breaking creations from this Tokyo-based innovator.

For more insights into Kenji Matsumoto's patents and other inventors' contributions, visit idiyas.com - your go-to resource for everything related to innovations and patents.

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]
Loading…