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For the Inventor, By the Inventor

Tokyo, Japan

Hirotaka Hayashi

This inventor holds 81 USPTO granted patents and 15 published patent applications and 4 EPO patents, primarily in Display Technology (CPC class G09G). Top assignees: Japan Display Inc., Toshiba Matsushita Display Technology Co., Ltd., Subaru Corporation. Active years: 2002-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotaka Hayashi. Retrieved from https://idiyas.com/inventor/hirotaka-hayashi

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

USPTO Granted Patents = 81 

% Patents Active = 88.9

 

Average Co-Inventor Count = 2.1

ph-index = 9

Forward Citations = 423(Granted Patents)

Forward Citations (Not Self Cited) = 416(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Fukaya, JP (2002 - 2015)
  • Saitama-Ken, JP (2005 - 2015)
  • Minato-ku, JP (2017 - 2022)
  • Tokyo, JP (2016 - 2024)

Company Filing History:

goldMedal56 out of 5,795 
 
Japan Display Inc.
 patents
silverMedal14 out of 248 
 
Toshiba Matsushita Display Technology Co., Ltd.
 patents
bronzeMedal5 out of 2,451 
 
Subaru Corporation
 patents
4. 4 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents
5. 2 out of 256 
 
Japan Aerospace Exploration Agency
 patents
6. 2 out of 278 
 
Magnolia White Corporation
 patents
where one patent can have more than one assignee

Years Active: 2002-2026

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Areas of Expertise:
Display Device
Semiconductor Substrate
Electrophoretic Display
Electronic Device
Light Emitting Device
Vibration Control
Flight Efficiency
Liquid Crystal Display
Rotor Blade
Lift-Changing Mechanism
Array Substrate
Driving Method
81 patents (USPTO):Explore Patents
1. 12731514 - Display device (2026-09-08),
2. 12687754 - Display apparatus (2026-07-21),
3. 12663685 - Display device (2026-06-23),
4. 12535902 - Display device (2026-01-27),
5. 12406968 - Display device (2025-09-02),
6. 12397910 - Flight efficiency improving system for compound helicopter (2025-08-26),
7. 12345996 - Semiconductor substrate usable in an electrophoretic display device (2025-07-01),
8. 12339558 - Array substrate and display device (2025-06-24),
9. 12260837 - Display device (2025-03-25),
10. 12158679 - Display device (2024-12-03),
11. 12153317 - Display device having gap between pixel electrodes without scan line (2024-11-26),
12. 12148842 - Semiconductor substrate and display device (2024-11-19),
13. 12072592 - Semiconductor substrate and display device (2024-08-27),
14. 12055831 - Display apparatus (2024-08-06),
15. 12032255 - Display device (2024-07-09),

Title: The Innovative Mind of Hirotaka Hayashi

Introduction: Hirotaka Hayashi is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hirotaka Hayashi 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: Throughout his illustrious career, Hirotaka Hayashi has worked with leading tech companies in Japan, spearheading projects that have revolutionized the industry. His dedication to pushing the boundaries of what is possible has earned him recognition as a visionary in the field.

Collaborations: Hirotaka Hayashi has collaborated with top researchers and engineers from around the world, fostering a culture of innovation and knowledge-sharing. His ability to work effectively in multidisciplinary teams has led to the development of cutting-edge technologies with real-world applications.

Conclusion: In conclusion, Hirotaka Hayashi's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazer in the world of invention. His work continues to inspire future generations of inventors to think boldly and push the limits of what is achievable.

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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