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For the Inventor, By the Inventor

Tokyo, Japan

Kazunori Watanabe

This inventor holds 186 USPTO granted patents and 24 published patent applications and 10 EPO patents, primarily in Display Technology (CPC class H01L29-7869). Top assignees: Semiconductor Energy Laboratory Co., Ltd., Ricoh Company, Ltd., Nichia Corporation. Active years: 1994-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazunori Watanabe. Retrieved from https://idiyas.com/inventor/kazunori-watanabe

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

USPTO Granted Patents = 186 

% Patents Active = 79.0

 

Average Co-Inventor Count = 3.0

ph-index = 17

Forward Citations = 1,183(Granted Patents)

Forward Citations (Not Self Cited) = 1,083(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Anan, JP (2004 - 2009)
  • Tokushima, JP (2002 - 2011)
  • Tama, JP (2012 - 2014)
  • Atsugi, JP (2012 - 2017)
  • Yokohama, JP (1994 - 2021)
  • Kanagawa, JP (2003 - 2023)
  • Tokyo, JP (2002 - 2024)
  • Machida, JP (2018 - 2024)

Company Filing History:

goldMedal113 out of 16,652 
 
Semiconductor Energy Laboratory Co., Ltd.
 patents
silverMedal25 out of 28,940 
 
Ricoh Company, Ltd.
 patents
bronzeMedal21 out of 3,251 
 
Nichia Corporation
 patents
4. 13 out of 317 
 
Semiconductor Energy Laboratory Co., Ltd.
 patents
5. 9 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
6. 2 out of 42,731 
 
Hitachi, Ltd.
 patents
7. 1 out of 228 
 
Hitachi Software Engineering Company, Ltd.
 patents
8. 1 out of 23 
 
Koito Electric Industries, Ltd.
 patents
9. 1 out of 2,310 
 
Koito Manufacturing Company, Ltd.
 patents
10. 1 out of 36,684 
 
Nec Corporation
 patents
11. 1 out of 259 
 
Nec Tokin Corporation
 patents
12. 1 out of 58,145 
 
Sony Corporation
 patents
where one patent can have more than one assignee

Years Active: 1994-2026

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Areas of Expertise:
Display Device
Electronic Device
Semiconductor Device
Display Module
Laser Irradiation
Touch Panel
Data Processing
Imaging Device
Driver Circuit
Authentication Method
186 patents (USPTO):Explore Patents
1. 12755690 - Display device, display module, and electronic device (2026-10-06),
2. 12740222 - Semiconductor device and electronic device (2026-09-15),
3. 12737062 - Display device, authentication method, and program (2026-09-15),
4. 12707717 - Display apparatus and electronic device (2026-08-11),
5. 12706013 - Flip-flop circuit, driver circuit, display panel, display device, input/output device, and data processing device (2026-08-11),
6. 12702063 - Display apparatus and electronic device (2026-08-04),
7. 12696606 - Display device, display module, electronic device, and method for fabricating display device (2026-07-28),
8. 12682842 - Semiconductor apparatus, display device, and electronic device (2026-07-14),
9. 12666804 - Display device (2026-06-23),
10. 12620258 - Display device, display module, and electronic device (2026-05-05),
11. 12593584 - Display apparatus, display module, and electronic device (2026-03-31),
12. 12575179 - Display device and method for driving display device (2026-03-10),
13. 12555516 - Display panel, display device, input/output device, and data processing device (2026-02-17),
14. 12490513 - Semiconductor device, display device, and electronic device (2025-12-02),
15. 12488767 - Display apparatus and electronic device (2025-12-02),

Title: Innovation Spotlight: The Inventor Kazunori Watanabe

Introduction:

Kazunori Watanabe, a prolific inventor based in Tokyo, Japan, has made significant contributions to the field of display technology. With an impressive portfolio of 145 patents, Watanabe continues to push the boundaries of innovation in the electronic device industry.

Latest Patents:

Watanabe's latest patents showcase his expertise in creating advanced display apparatus, display modules, and electronic devices. One patent focuses on enhancing the light extraction efficiency of a display apparatus, while another introduces a display device with a unique light-sensing function.

Career Highlights:

Throughout his career, Watanabe has worked with renowned companies such as Semiconductor Energy Laboratory Co., Ltd. and Ricoh Company, Ltd. His collaborations with these industry leaders have allowed him to bring cutting-edge technologies to the market and solidify his reputation as a visionary inventor.

Collaborations:

Watanabe has had the privilege of working alongside talented individuals such as Koji Kusunoki and Susumu Kawashima. Together, they have shared their expertise and innovative ideas to develop groundbreaking solutions in the realm of display technology.

Conclusion:

Kazunori Watanabe's trailblazing work in the field of electronic devices and display technology continues to inspire generations of inventors. His dedication to innovation and his knack for creating cutting-edge solutions make him a true pioneer in his field.

Need more information about other inventors or want to explore more patents? Feel free to explore our website for a wealth of information on innovations, inventors, 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]
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