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For the Inventor, By the Inventor

Sodegaura, Japan

Masakazu Funahashi

This inventor holds 105 USPTO granted patents and 23 published patent applications and 28 EPO patents, primarily in Organic Electroluminescence (CPC class C09K11-06). Top assignees: Idemitsu Kosan Company, Limited, Joled Inc., Sony Corporation. Active years: 2003-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakazu Funahashi. Retrieved from https://idiyas.com/inventor/masakazu-funahashi

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

USPTO Granted Patents = 105 

% Patents Active = 74.3

 

Average Co-Inventor Count = 2.5

ph-index = 15

Forward Citations = 911(Granted Patents)

Forward Citations (Not Self Cited) = 719(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Chiba-ken, JP (2004 - 2005)
  • Sodegaura-shi, JP (2013)
  • Sadegaura, JP (2014)
  • Tokyo, JP (2016)
  • Kanagawa, JP (2017 - 2018)
  • Sodegaura, JP (2006 - 2021)
  • Chiba, JP (2003 - 2024)

Company Filing History:

goldMedal98 out of 2,283 
 
Idemitsu Kosan Company, Limited
 patents
silverMedal5 out of 713 
 
Joled Inc.
 patents
bronzeMedal3 out of 58,145 
 
Sony Corporation
 patents
4. 1 out of 86 
 
Idemitsu Kosan., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2003-2025

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Areas of Expertise:
Organic Electroluminescent Element
Electronic Device
Aromatic Amine Derivative
Light Emitting Material
Organic Light Emitting Medium
Ink Composition
Organic Electroluminescence Device
Polymer Compound
Anthracene Derivative
Compound Material
Organic Electroluminescence Composition
Display Device
105 patents (USPTO):Explore Patents
1. 12492162 - Organic electroluminescent element and electronic device (2025-12-09),
2. 12274162 - Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic apparatus (2025-04-08),
3. 12029119 - Organic electroluminescence element and electronic device (2024-07-02),
4. 12022728 - Organic electroluminescent element and electronic device (2024-06-25),
5. 11616200 - Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic apparatus (2023-03-28),
6. 11552251 - Organic electroluminescent element and electronic device (2023-01-10),
7. 11276834 - Light emitting element and display device (2022-03-15),
8. 11133478 - Aromatic amine derivative and organic electroluminescent device using the same (2021-09-28),
9. 11024806 - Aromatic amine derivative, and organic electroluminescent element comprising the same (2021-06-01),
10. 10944057 - Compound, material for organic electroluminescence devices, organic electroluminescence device, and electronic equipment (2021-03-09),
11. 10854822 - Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device (2020-12-01),
12. 10833281 - Organic electroluminescence composition, material for organic electroluminescence element, solution of material for organic electroluminescence element, and organic electroluminescence element (2020-11-10),
13. 10756275 - Compound, material for organic electroluminescence devices, organic electroluminescence device, and electronic equipment (2020-08-25),
14. 10686137 - Aromatic amine derivative, and organic electroluminescent element comprising the same (2020-06-16),
15. 10573823 - Organic electroluminescent device (2020-02-25),

Title: The Innovative Journey of Masakazu Funahashi

Introduction: Masakazu Funahashi is a pioneering inventor hailing from Sodegaura, Japan. His inventive spirit and dedication to technological advancements have made him a prominent figure in the world of innovations.

Latest Patents: Masakazu Funahashi holds several groundbreaking patents in various fields, showcasing his versatility and ingenuity in inventing new solutions to complex problems.

Career Highlights: Throughout his illustrious career, Masakazu Funahashi has consistently pushed the boundaries of what is possible. His innovative creations have not only improved existing technologies but have also opened up new avenues for future developments.

Collaborations: Masakazu Funahashi has collaborated with leading research institutions, universities, and companies to bring his inventions to life. These partnerships have been instrumental in turning his visionary ideas into tangible products that benefit society as a whole.

Conclusion: Masakazu Funahashi's contributions to the world of inventions and innovations are truly remarkable. His relentless pursuit of excellence and passion for creating a better future through technology make him a true inspiration for aspiring inventors worldwide.

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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