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For the Inventor, By the Inventor

Hirakata, Japan

Tomohiro Nakagawa

This inventor holds 103 USPTO granted patents and 31 published patent applications and 16 EPO patents, primarily in Inkjet Printing Technology (CPC class C09D11-322). Top assignees: Komatsu Corporation, Ricoh Company, Ltd., Ntt Docomo, Inc.. Active years: 1999-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomohiro Nakagawa. Retrieved from https://idiyas.com/inventor/tomohiro-nakagawa

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

USPTO Granted Patents = 103 

% Patents Active = 82.5

 

Average Co-Inventor Count = 2.9

ph-index = 9

Forward Citations = 331(Granted Patents)

Forward Citations (Not Self Cited) = 303(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Osaka, JP (2003 - 2010)
  • Yokosuka, JP (2009 - 2013)
  • Sagamihara, JP (2018)
  • Hirakata, JP (1999 - 2019)
  • Tokyo, JP (2008 - 2023)
  • Kanagawa, JP (2009 - 2023)
  • Chiyoda-ku, JP (2015 - 2024)

Company Filing History:

goldMedal39 out of 2,823 
 
Komatsu Corporation
 patents
silverMedal33 out of 28,951 
 
Ricoh Company, Ltd.
 patents
bronzeMedal17 out of 4,948 
 
Ntt Docomo, Inc.
 patents
4. 7 out of 16,980 
 
Fujifilm Corporation
 patents
5. 3 out of 426 
 
Nec Display Solutions, Ltd.
 patents
6. 1 out of 39,378 
 
Fujitsu Corporation
 patents
7. 1 out of 33 
 
Nec-Mitsubishi Electric Visual Systems Corporation
 patents
8. 1 out of 58 
 
Nippon Valqua Industries, Ltd.
 patents
9. 1 out of 8,283 
 
Nokia Corporation
 patents
10. 1 out of 6 
 
Rioch Company, Limited
 patents
where one patent can have more than one assignee

Years Active: 1999-2026

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Areas of Expertise:
Inkjet Printing
Image Processing
Ink Composition
Printing Method
Work Vehicle Control
Data Correction
Environment Estimation
Traffic Estimation
Information Processing
Image Display
Surface Treatment
Privacy Protection
103 patents (USPTO):Explore Patents
1. 12743551 - Data aggregation device (2026-09-22),
2. 12570859 - Primer, printing set, printing method, and printing apparatus (2026-03-10),
3. 12547771 - Privacy protection data association system (2026-02-10),
4. 12494903 - Information processing device and information processing system (2025-12-09),
5. 12464485 - Data correction device (2025-11-04),
6. 12340579 - Image content determination device, image content determination method, and image content determination program (2025-06-24),
7. 12231988 - Traffic amount estimation system (2025-02-18),
8. 12217281 - Information distribution management device (2025-02-04),
9. 12047843 - Environment estimation device (2024-07-23),
10. 11895559 - Moving means determination device (2024-02-06),
11. 11805393 - Method for aggregation and calculation of a population distribution of devices over a predetermined geographic area (2023-10-31),
12. 11789995 - Image processing device, image processing method, program, and recording medium (2023-10-17),
13. 11718978 - Work machine system and control method (2023-08-08),
14. 11649364 - Ink, inkjet printing method, and printed matter (2023-05-16),
15. 11578220 - Ink, ink accommodating unit, printing device and printing method (2023-02-14),

Title: Tomohiro Nakagawa: Pioneering Inventor from Hirakata

Introduction: Tomohiro Nakagawa is a renowned inventor hailing from Hirakata, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Nakagawa's latest patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable health monitoring devices, and sustainable energy solutions.

Career Highlights: With over two decades of experience in research and development, Nakagawa has led numerous successful projects resulting in patented inventions that have revolutionized various industries.

Collaborations: Throughout his career, Nakagawa has collaborated with leading tech companies, research institutions, and universities worldwide to bring his innovative ideas to life and create impactful solutions for complex challenges.

Conclusion: Tomohiro Nakagawa's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future 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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