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For the Inventor, By the Inventor

Tokyo, Japan

Kenichi Matsunaga

This inventor holds 84 USPTO granted patents and 19 published patent applications and 11 EPO patents, primarily in Sensor Technology (CPC class 536 22). Top assignees: Kureha Kagaku Kogyo Kabushiki Kaisha, Kao Corporation, Nippon Telegraph and Telephone Corporation. Active years: 1979-2026.

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

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

USPTO Granted Patents = 84 

% Patents Active = 89.3

 

Average Co-Inventor Count = 4.0

ph-index = 12

Forward Citations = 452(Granted Patents)

Forward Citations (Not Self Cited) = 356(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hino, JP (1979)
  • Shinjuku, JP (1987 - 1989)
  • Tokorozawa, JP (1987 - 1992)
  • Saitama, JP (1994 - 1997)
  • Darmstadt, DE (2004 - 2005)
  • Kobe, JP (2003 - 2006)
  • Sumida-ku, JP (2003 - 2011)
  • Tokyo, JP (1982 - 2024)
  • Musashino, JP (2022 - 2024)

Company Filing History:

goldMedal36 out of 776 
 
Kureha Kagaku Kogyo Kabushiki Kaisha
 patents
silverMedal19 out of 3,675 
 
Kao Corporation
 patents
bronzeMedal17 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
4. 5 out of 4,746 
 
Mitsubishi Heavy Industries Limited
 patents
5. 4 out of 589 
 
Ntt Corporation
 patents
6. 3 out of 128 
 
Kureha Chemical Industry Company, Limited
 patents
7. 1 out of 196 
 
Doryokuro Kakunenryo Kaihatsu Jigyodan
 patents
8. 1 out of 16,949 
 
Fujifilm Corporation
 patents
where one patent can have more than one assignee

Years Active: 1979-2026

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Areas of Expertise:
Self-Calibrating A/D Converter
Wearable Sensor Device
Wireless Cooperative Receiving
Biological Information Analysis
Data Analysis System
Time Synchronization Method
Sensor Network
Monitoring System
Hair Dye Composition
Seal-Welding Method
Transportation Vessel
84 patents (USPTO):Explore Patents
1. 12672824 - Wearable device (2026-07-07),
2. 12622639 - Measurement system, measurement method, measurement device, and program (2026-05-12),
3. 12470227 - Self-calibration-function-equipped A/D converter (2025-11-11),
4. 12458287 - Wearable sensor device (2025-11-04),
5. 12225436 - Sensor system, wireless cooperative receiving system, and wireless cooperative receiving method (2025-02-11),
6. 12178570 - Monitoring system, monitoring method, and monitoring program (2024-12-31),
7. 12096333 - Data analysis system and data analysis method (2024-09-17),
8. 12047087 - Ad converter (2024-07-23),
9. 12023140 - Biological information analysis device, biological information analysis method, and biological information analysis system (2024-07-02),
10. 11984903 - Variable reference voltage source (2024-05-14),
11. 11955985 - Ad converter (2024-04-09),
12. 11936396 - AD converter with self-calibration function (2024-03-19),
13. 11770127 - Self-calibration function-equipped AD converter (2023-09-26),
14. 11714437 - Variable reference voltage source (2023-08-01),
15. 11659367 - Sensor system, wireless cooperative receiving system, and wireless cooperative receiving method (2023-05-23),

Title: Kenichi Matsunaga: Pioneering Inventor from Tokyo

Introduction:

Kenichi Matsunaga is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents:

Kenichi Matsunaga holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights:

With a career spanning over two decades, Kenichi Matsunaga has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs. His innovative mindset and dedication to his work have earned him recognition as a trailblazer in the industry.

Collaborations:

Throughout his career, Kenichi Matsunaga has collaborated with top researchers, engineers, and scientists both locally and internationally. These collaborations have not only enriched his own work but have also contributed to the collective progress of the technological landscape.

Conclusion:

In conclusion, Kenichi Matsunaga's passion for innovation, coupled with his technical expertise, has solidified his position as a key figure in the world of inventors. His relentless pursuit of excellence and commitment to creating impactful solutions continue to inspire the next generation of innovators worldwide.

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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