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For the Inventor, By the Inventor

Tokyo, Japan

Takashi Nakagawa

This inventor holds 95 USPTO granted patents and 26 published patent applications and 5 EPO patents, primarily in Semiconductor Devices (CPC class H01L29-7869). Top assignees: Semiconductor Energy Laboratory Co., Ltd., Canon Anelva Corporation, Fujitsu Corporation. Active years: 1987-2025.

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

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

USPTO Granted Patents = 95 

% Patents Active = 60.0

 

Average Co-Inventor Count = 3.2

ph-index = 10

Forward Citations = 415(Granted Patents)

Forward Citations (Not Self Cited) = 384(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Tokorozawa, JP (1998)
  • Hachiouj, JP (2013)
  • Meguro-ku, JP (2013)
  • Hachioji, JP (2009 - 2015)
  • Isehara, JP (2015)
  • Tokyo, JP (1998 - 2016)
  • Kawasaki, JP (1998 - 2017)
  • Nagano, JP (2019)
  • Saitama, JP (1987 - 2024)
  • Kanagawa, JP (2005 - 2024)
  • Sagamihara, JP (2019 - 2024)
  • Kangawa, JP (2024)

Company Filing History:

goldMedal32 out of 16,652 
 
Semiconductor Energy Laboratory Co., Ltd.
 patents
silverMedal15 out of 363 
 
Canon Anelva Corporation
 patents
bronzeMedal14 out of 39,378 
 
Fujitsu Corporation
 patents
4. 5 out of 605 
 
Kowa Company Limited
 patents
5. 5 out of 36,718 
 
Nec Corporation
 patents
6. 4 out of 7,657 
 
Renesas Electronics Corporation
 patents
7. 3 out of 22,006 
 
Honda Motor Co., Ltd.
 patents
8. 3 out of 642 
 
Minebea Mitsumi Inc.
 patents
9. 3 out of 2,467 
 
Nec Electronics Corporation
 patents
10. 3 out of 1,235 
 
Nissan Chemical Industries Limited
 patents
11. 3 out of 8,267 
 
Tdk Corporation
 patents
12. 2 out of 16,618 
 
Mitsubishi Electric Corporation
 patents
13. 2 out of 74 
 
Tamagawa Seiki Kabushiki Kaisha
 patents
14. 2 out of 591 
 
Tokyo Institute of Technology
 patents
15. 1 out of 16 
 
Bandai Namco Games Inc.
 patents
16. 1 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents
17. 1 out of 37 
 
Nec Engineering, Ltd.
 patents
18. 1 out of 13 
 
Ye Data Inc.
 patents
where one patent can have more than one assignee

Years Active: 1987-2025

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Areas of Expertise:
Display Device
Imaging Device
Lithium-Ion Battery
Semiconductor Device
Electronic Device
Stator Structure
Circuit Board
Electrode Mixture Layer
Programmable Device
Nonvolatile Memory Element
Magnetoresistive Effect Element
Sensor Device
95 patents (USPTO):Explore Patents
1. 12469463 - Display device and electronic device (2025-11-11),
2. 12205965 - Imaging device and electronic device (2025-01-21),
3. 12200995 - Display device and electronic device (2025-01-14),
4. 12183920 - Porous dielectric particle, electrode for lithium ion secondary battery, and lithium ion secondary battery (2024-12-31),
5. 12027091 - Display device (2024-07-02),
6. 11997910 - Sensor device and semiconductor device (2024-05-28),
7. 11933974 - Glasses-type electronic device (2024-03-19),
8. 11894541 - Electrode for lithium ion secondary battery, and lithium ion secondary battery (2024-02-06),
9. 11862649 - Imaging device, operation method thereof, and electronic device (2024-01-02),
10. 11811281 - Stator structure and resolver (2023-11-07),
11. 11798491 - Display device and electronic device (2023-10-24),
12. 11728355 - Imaging device and electronic device (2023-08-15),
13. 11626784 - Stator structure and resolver (2023-04-11),
14. 11626052 - Display device (2023-04-11),
15. 11600645 - Imaging device, operation method thereof, and electronic device (2023-03-07),

Title: The Innovative Mind of Takashi Nakagawa

Introduction: Takashi Nakagawa is a pioneering inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Takashi Nakagawa holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Nakagawa has worked with leading tech companies in Japan, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Takashi Nakagawa has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge-sharing.

Conclusion: Takashi Nakagawa's relentless pursuit of innovation and his passion for creating solutions to complex problems have solidified his reputation as a visionary inventor in the global tech community.

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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