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For the Inventor, By the Inventor

Kanagawa, Japan

Kouhei Toyotaka

This inventor holds 156 USPTO granted patents and 27 published patent applications and 1 EPO patent, primarily in Display Technology (CPC class H01L27-1225). Top assignee: Semiconductor Energy Laboratory Co., Ltd.. Active years: 2012-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouhei Toyotaka. Retrieved from https://idiyas.com/inventor/kouhei-toyotaka

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

USPTO Granted Patents = 156 

% Patents Active = 88.5

 

Average Co-Inventor Count = 3.0

ph-index = 11

Forward Citations = 693(Granted Patents)

Forward Citations (Not Self Cited) = 503(Dec 10, 2025)


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Location History:

  • Kanagawa, JP (2012 - 2024)
  • Atsugi, JP (2013 - 2024)

Company Filing History:

goldMedal155 out of 16,652 
 
Semiconductor Energy Laboratory Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2012-2026

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Areas of Expertise:
Display Device
Semiconductor Device
Electronic Device
Data Processing
Abnormality Detection
Optical Device
Neural Network
Battery Management
Power Storage
Light-Emitting Device
Driver Circuit
Flip-Flop Circuit
156 patents (USPTO):Explore Patents
1. 12530095 - Display panel, display device, input/output device, and data processing device (2026-01-20),
2. 12505802 - Correction method of display apparatus and the display apparatus (2025-12-23),
3. 12504632 - Optical device (2025-12-23),
4. 12461418 - Display device (2025-11-04),
5. 12442862 - Device detecting abnormality of secondary battery, abnormality detection method, and program (2025-10-14),
6. 12396263 - Display device, display module, and electronic device (2025-08-19),
7. 12389631 - Semiconductor device and manufacturing method thereof (2025-08-12),
8. 12353105 - Display apparatus (2025-07-08),
9. 12347364 - Display and electronic device including the display (2025-07-01),
10. 12333070 - Electronic device (2025-06-17),
11. 12307978 - Display device and electronic device (2025-05-20),
12. 12276889 - Display device, operation method of display device, and electronic device (2025-04-14),
13. 12245485 - Display apparatus including light-emitting device and light-receiving device (2025-03-04),
14. 12243459 - Flip-flop circuit, driver circuit, display panel, display device, input/output device, and data processing device (2025-03-04),
15. 12200950 - Electronic device (2025-01-14),

Title: Innovator Spotlight: Kouhei Toyotaka - Revolutionizing Display Technology

Introduction:

Kouhei Toyotaka is a prolific inventor based in Kanagawa, Japan, who has made significant contributions to the field of display technology. With an impressive portfolio of 133 patents, Toyotaka is at the forefront of innovation in the industry.

Latest Patents:

Among his latest patents is a groundbreaking display device that offers high resolution while reducing the manufacturing cost using micro LED technology. This display device features a unique matrix layout of transistors and light-emitting diodes that emit light towards the substrate, resulting in cutting-edge visual quality.

Additionally, Toyotaka's method for driving display devices demonstrates his expertise in optimizing pixel data updates at different timings, ensuring seamless and efficient display performance.

Career Highlights:

Currently affiliated with Semiconductor Energy Laboratory Co., Ltd., Toyotaka continues to drive advancements in display technology. His work exemplifies a commitment to excellence and a passion for pushing the boundaries of innovation.

Collaborations:

Throughout his career, Toyotaka has collaborated closely with esteemed coworkers such as Hiroyuki Miyake and Koji Kusunoki. This collaborative spirit has undoubtedly played a role in the success of his projects and the impact of his inventions in the industry.

Conclusion:

In conclusion, Kouhei Toyotaka stands out as a visionary inventor who is reshaping the landscape of display technology. His relentless dedication to creating cutting-edge solutions and his collaborative approach underscore his status as a trailblazer in the field. As he continues to innovate and inspire, the future of display technology looks brighter thanks to inventors like Kouhei Toyotaka.

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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