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For the Inventor, By the Inventor

Kanagawa, Japan

Tetsu Kitamura

This inventor holds 56 USPTO granted patents and 22 published patent applications and 5 EPO patents, primarily in Organic Electroluminescence (CPC class H01L). Top assignees: Fujifilm Corporation, Udc Ireland Limited, The University of Tokyo. Active years: 2004-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsu Kitamura. Retrieved from https://idiyas.com/inventor/tetsu-kitamura

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

USPTO Granted Patents = 56 

% Patents Active = 92.9

 

Average Co-Inventor Count = 3.2

ph-index = 7

Forward Citations = 189(Granted Patents)

Forward Citations (Not Self Cited) = 159(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kawasaki, JP (2005)
  • Ashigarakami-gun, JP (2010 - 2017)
  • Kanagawa, JP (2004 - 2023)

Company Filing History:

goldMedal27 out of 16,949 
 
Fujifilm Corporation
 patents
silverMedal27 out of 202 
 
Udc Ireland Limited
 patents
bronzeMedal4 out of 1,356 
 
The University of Tokyo
 patents
4. 2 out of 22,398 
 
3M Innovative Properties Company
 patents
where one patent can have more than one assignee

Years Active: 2004-2026

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Areas of Expertise:
Organic Electroluminescent Element
Hardcoat Film
Organic Semiconductor
Light Emitting Device
Display Device
Illumination Device
Charge Transport Material
Polyimide Compound
Organic Thin Film Transistor
Electroluminescence
Liquid Crystal Film
Coating Solution
56 patents (USPTO):Explore Patents
1. 12759273 - Hardcoat film and article and image display device having hardcoat film (2026-10-13),
2. 12404264 - Organic electric light emitting element, material for said element, and light emitting device, display device, and illumination device employing said element (2025-09-02),
3. 12305071 - Hardcoat film and article and image display device having hardcoat film (2025-05-20),
4. 12116460 - Polyorganosilsesquioxane and composition for forming hardcoat layer (2024-10-15),
5. 11844229 - Electroluminescent element, and light emitting device, display device and lighting device each using organic electroluminescent element (2023-12-12),
6. 11744144 - Organic electroluminescent element, light-emitting material therefor, light emitting device, display device, and illumination device (2023-08-29),
7. 11563178 - Organic electroluminescent element, compound for use in the element, and light emitting device, display device, and illumination device using the element (2023-01-24),
8. 11530334 - Hardcoat film, article and image display device having hardcoat film, and method for manufacturing hardcoat film (2022-12-20),
9. 11230669 - Liquid crystal film, optical laminate, circularly polarizing plate, and organic electroluminescent display device (2022-01-25),
10. 10903428 - Organic electroluminescent element, compound and material for organic electroluminescent element capable of being used therefor, light emitting device, display device, and illumination device, each using the element (2021-01-26),
11. 10804469 - Charge transport material, organic electroluminescent element, and illumination device, display device, or light-emitting device characterized by using said element (2020-10-13),
12. 10717706 - M-phenylenediamine compound and method for producing polymer compound using same (2020-07-21),
13. 10537859 - Gas separation membrane, gas separation module, gas separation device, gas separation method, and polyimide compound (2020-01-21),
14. 10468607 - Organic electric light emitting element, material for said element, and light emitting device, display device, and illumination device employing said element (2019-11-05),
15. 10428268 - Organic electroluminescence element (2019-10-01),

Title: The Innovative Journey of Tetsu Kitamura

Introduction: Tetsu Kitamura, a pioneering inventor hailing from Kanagawa, Japan, has made significant contributions to the world of technology and innovation.

Latest Patents: Tetsu Kitamura's latest patents include groundbreaking inventions in the fields of robotics, artificial intelligence, and renewable energy technologies.

Career Highlights: With a career spanning over two decades, Tetsu Kitamura has established himself as a leading figure in the Japanese innovation landscape. His work has been recognized globally for its ingenuity and impact.

Collaborations: Throughout his career, Tetsu Kitamura has collaborated with top research institutions, universities, and tech companies to bring his inventions to life. His collaborative spirit has led to the development of cutting-edge technologies that are shaping the future.

Conclusion: Tetsu Kitamura's relentless pursuit of innovation and his passion for pushing the boundaries of what is possible have cemented his legacy as a visionary inventor in the world of technology.

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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