Tokyo, Japan

Koji Matsumoto

This inventor holds 120 USPTO granted patents and 9 published patent applications, plus 7 CIPO patents and 14 EPO patents, primarily in Semiconductor Technology (CPC class 428694MM). Top assignees: Fujitsu Corporation, Olympus Corporation, Hitachi-Lg Data Storage, Inc.. Active years: 1991-2026.

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

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

USPTO Granted Patents = 120 

% Patents Active = 64.2

 

 

Average Co-Inventor Count = 2.4

ph-index = 13

Forward Citations = 502(Granted Patents)

Forward Citations (Not Self Cited) = 474(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Ikoma, JP (1998 - 2005)
  • Ohta-ku, JP (2010)
  • Ichikawa, JP (2011 - 2012)
  • Yao, JP (1991 - 2014)
  • Kuala Lumpur, ML (2014)
  • Kawaguchi, JP (2014)
  • Kuala Lumpur, MY (2014)
  • Kawasaki, JP (1995 - 2017)
  • Saitama, JP (2006 - 2020)
  • Machida, JP (2015 - 2021)
  • Chuo-ku, JP (2021)
  • Hachioji, JP (2010 - 2023)
  • Tokyo, JP (1993 - 2024)

Company Filing History:

goldMedal30 out of 39,374 
 
Fujitsu Corporation
 patents
silverMedal18 out of 8,306 
 
Olympus Corporation
 patents
bronzeMedal11 out of 389 
 
Hitachi-Lg Data Storage, Inc.
 patents
4. 10 out of 462 
 
Daiichi Sankyo Company, Limited
 patents
5. 10 out of 323 
 
Nitto Kohki Co., Ltd.
 patents
6. 10 out of 159 
 
Yozan Corporation
 patents
7. 5 out of 792 
 
Hosiden Corporation
 patents
8. 5 out of 851 
 
Jds Uniphase Corporation
 patents
9. 5 out of 624 
 
Sumco Corporation
 patents
10. 3 out of 47 
 
Ezel Inc.
 patents
11. 3 out of 11 
 
Fuji Yakuhin Co., Ltd
 patents
12. 3 out of 847 
 
Sharp Corporation
 patents
13. 2 out of 365 
 
Hitachi Consumer Electronics Co., Ltd.
 patents
14. 2 out of 455 
 
Kyushu University
 patents
15. 2 out of 36,684 
 
Nec Corporation
 patents
16. 2 out of 1,262 
 
Olympus Medical Systems Corporation
 patents
17. 2 out of 1,961 
 
Showa Denko K.k.
 patents
18. 2 out of 1,445 
 
Stanley Electric Co., Ltd
 patents
19. 1 out of 390 
 
Lumentum Operations LLC
 patents
20. 1 out of 151 
 
Taiyo Nippon Sanso Corporation
 patents
21. 1 out of 141 
 
Tokyo University of Science Foundation
 patents
22. 1 out of 125 
 
Toshiba Storage Device Corporation
 patents
where one patent can have more than one assignee

Years Active: 1991-2026

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Areas of Expertise:
Group III Nitride
Endoscope System
Optical Measurement
Light Source Device
Wavelength Selective Switch
Measurement Probe
Bio-Optical Systems
Hydrogen Concentration
Magnetic Recording
Display Device
Light Treatment
Optical Disk Drive
120 patents (USPTO):Explore Patents

Certainly, I can help you with that. Here is the article about inventor Koji Matsumoto based on the data provided:

Title: Innovator Spotlight: Koji Matsumoto - Revolutionizing Medical Technology in Tokyo

Introduction: Koji Matsumoto is a prolific inventor based in Tokyo, Japan, with a remarkable portfolio of 109 patents. His groundbreaking work in the field of medical devices, particularly endoscopes and light treatment systems, has garnered widespread recognition in the industry.

Latest Patents:

1. Endoscope System: Koji Matsumoto's endoscope system integrates advanced imaging technology to provide a comprehensive view of the imaging subject. By combining deep-layer and surface-layer images, this innovation offers enhanced diagnostic capabilities for medical professionals.

2. Light Treatment System and Balloon Catheter: His light treatment system, featuring a probe with an optical fiber and a balloon catheter, showcases his expertise in developing minimally invasive medical devices. The inclusion of a reflector ensures precise delivery of light for therapeutic purposes.

Career Highlights: Matsumoto has made significant contributions to renowned companies such as Fujitsu Corporation and Olympus Corporation. His tenure at these organizations has been marked by a series of innovative projects that have reshaped the landscape of medical technology.

Collaborations: Throughout his career, Koji Matsumoto has collaborated closely with esteemed colleagues such as Keiji Shono and Sunao Takatori. Their collective efforts have led to the successful development and commercialization of cutting-edge medical devices.

Conclusion: In conclusion, Koji Matsumoto's dedication to advancing medical technology has positioned him as a trailblazer in the industry. His inventive spirit, coupled with a deep understanding of user needs, continues to drive innovation and progress in healthcare. Tokyo is proud to be home to such a visionary inventor shaping the future of medical devices.

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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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