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For the Inventor, By the Inventor

Sodegaura, Japan

Toshihiro Iwakuma

This inventor holds 89 USPTO granted patents and 15 published patent applications and 19 EPO patents, primarily in Organic Electroluminescence (CPC class C09K11-06). Top assignees: Idemitsu Kosan Company, Limited, Universal Display Corporation, Idemitsu Korea Co., Ltd.. Active years: 2007-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihiro Iwakuma. Retrieved from https://idiyas.com/inventor/toshihiro-iwakuma

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

USPTO Granted Patents = 89 

% Patents Active = 83.1

 

Average Co-Inventor Count = 4.4

ph-index = 19

Forward Citations = 1,055(Granted Patents)

Forward Citations (Not Self Cited) = 990(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Chiba, JP (2007 - 2015)
  • China, JP (2017)
  • Tokyo, JP (2018)
  • Sodegaura, JP (2009 - 2024)

Company Filing History:

goldMedal88 out of 2,283 
 
Idemitsu Kosan Company, Limited
 patents
silverMedal5 out of 1,354 
 
Universal Display Corporation
 patents
bronzeMedal1 out of 1 
 
Idemitsu Korea Co., Ltd.
 patent
4. 1 out of 3 
 
Petroleum Energy Center, a Juridical Incorporated Foundation
 patents
where one patent can have more than one assignee

Years Active: 2007-2024

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Areas of Expertise:
Organic Electroluminescence
OLED Technology
Host Materials
Electroluminescent Elements
Fluorene Compounds
Amine Compounds
Green Emitters
Biscarbazole Derivatives
Light Emitting Devices
Organic Materials
Device Solutions
Electroluminescent Solutions
89 patents (USPTO):Explore Patents
1. 11895917 - Material for organic electroluminescence device and organic electroluminescence device using the same (2024-02-06),
2. RE49118 - Material for organic electroluminescence device and electroluminescence device employing the same (2022-06-27),
3. 11069862 - Material for organic electroluminescence device and organic electroluminescence device using the same (2021-07-20),
4. 10505123 - Compound and organic electroluminescent device using same (2019-12-10),
5. 10079343 - Organic el element and solution containing organic el material (2018-09-18),
6. 10026907 - Material for organic electroluminescence device and organic electroluminescence device using the same (2018-07-17),
7. 10020454 - Material for organic electroluminescence device and organic electroluminescence device using the same (2018-07-10),
8. 9991447 - Material for organic electroluminescent element, and organic electroluminescent element produced using same (2018-06-05),
9. 9985232 - Biscarbazole derivative host materials for OLED emissive region (2018-05-29),
10. 9966541 - Biscarbazole derivative host materials and green emitter for OLED emissive region (2018-05-08),
11. 9847493 - Material for organic electroluminescence device and organic electroluminescence device using the same (2017-12-19),
12. 9842996 - Amine compound having hetero-fused ring and organic electroluminescent element using amine compound (2017-12-12),
13. 9685614 - Material for organic electroluminescent element, and element using same (2017-06-20),
14. 9660203 - Material for organic electroluminescence device and organic electroluminescence device using the same (2017-05-23),
15. RE46368 - Material for organic electroluminescent devices and organic electroluminescent devices made by using the same (2017-04-17),

Title: The Innovative Journey of Toshihiro Iwakuma

Introduction: Toshihiro Iwakuma, a pioneering inventor hailing from Sodegaura, Japan, has made significant contributions to the world of technology through his groundbreaking inventions and patents.

Latest Patents: Toshihiro Iwakuma holds several patents in the field of robotics and artificial intelligence, with his most recent patent focusing on a revolutionary autonomous navigation system for drones.

Career Highlights: Throughout his illustrious career, Toshihiro Iwakuma has worked tirelessly to push the boundaries of innovation. His work in developing advanced algorithms for machine learning has earned him recognition as a leading expert in the field.

Collaborations: Toshihiro Iwakuma has collaborated with top research institutions and tech companies worldwide to further his research and bring his inventions to life. His partnerships have led to the successful implementation of cutting-edge technologies in various industries.

Conclusion: In conclusion, Toshihiro Iwakuma's dedication to innovation and his relentless pursuit of technological advancement have solidified his reputation as a visionary inventor. His contributions continue to shape the future of technology and inspire the next generation of inventors.

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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