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Hokkaido, Japan

Chihaya Adachi

This inventor holds 19 USPTO granted patents and 5 EPO patents, primarily in Organic Electronics. Top assignees: Princeton University, University of Southern California, Universal Display Corporation. Active years: 2002-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chihaya Adachi. Retrieved from https://idiyas.com/inventor/chihaya-adachi-2fpk9i79

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

Calculating rank
USPTO Granted Patents = 19

% Patents Active = 63.2

 

Average Co-Inventor Count = 3.8

ph-index = 12

Forward Citations = 695(Granted Patents)


Location History:

  • Princeton, NJ (US) (2006 - 2007)
  • East Windsor, NJ (US) (2002 - 2010)
  • Hokkaido, JP (2003 - 2011)

Company Filing History:

goldMedal13 out of 1,134 
 
Princeton University
 patents
silverMedal6 out of 1,695 
 
University of Southern California
 patents
bronzeMedal3 out of 1,354 
 
Universal Display Corporation
 patents
4. 2 out of 375 
 
Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
 patents
5. 2 out of 6,021 
 
Rohm Co., Ltd.
 patents
6. 2 out of 16,652 
 
Semiconductor Energy Laboratory Co., Ltd.
 patents
7. 1 out of 871 
 
Kyoto University
 patents
8. 1 out of 2,679 
 
Pioneer Corporation
 patents
where one patent can have more than one assignee

Years Active: 2002-2011

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Areas of Expertise:
Organic Semiconductor Device
Phosphorescent OLEDs
Emission-Shifting
Organometallic Compounds
Doped Ambipolar Conductive Films
Transparent OLEDs
Carrier Transporting Layers
4-Cyanocoumarin Derivatives
19 patents (USPTO):Explore Patents
1. 7868319 - Organic semiconductor device, display using same, and imager (2011-01-11),
2. 7811852 - Organic semiconductor device (2010-10-12),
3. 7674531 - Phosphorescent organic light emitting devices (2010-03-09),
4. 7553560 - Organometallic compounds and emission-shifting organic electrophosphorescence (2009-06-30),
5. 7429823 - Organic semiconductor device (2008-09-30),
6. 7381479 - Organometallic compounds and emission-shifting organic electrophosphorescence (2008-06-03),
7. 7375225 - 4-cyanocoumarin derivatives and uses thereof (2008-05-20),
8. 7288331 - Organic light emitting devices having carrier transporting layers comprising metal complexes (2007-10-30),
9. 7078113 - Organic light emitting devices having carrier transporting layers comprising metal complexes (2006-07-18),
10. 6939624 - Organometallic compounds and emission-shifting organic electrophosphorescence (2005-09-06),
11. 6900588 - Highly efficient OLEDs using doped ambipolar conductive molecular organic thin films (2005-05-31),
12. 6885149 - High efficiency transparent organic light emitting devices (2005-04-26),
13. 6867538 - Double doped-layer, phosphorescent organic light emitting devices (2005-03-15),
14. 6815733 - Switching element and method of making the same (2004-11-09),
15. 6645645 - Phosphorescent organic light emitting devices (2003-11-11),

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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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