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For the Inventor, By the Inventor

Hwaseong, South Korea

Yasushi Koishikawa

This inventor holds 15 USPTO granted patents and 13 published patent applications and 8 EPO patents. Top assignees: Samsung Electronics Co., Ltd., Samsung Display Co., Ltd., Samsung Display Co., Ltd.. Active years: 2018-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasushi Koishikawa. Retrieved from https://idiyas.com/inventor/yasushi-koishikawa

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

USPTO Granted Patents = 15 

% Patents Active = 100.0

 

Average Co-Inventor Count = 6.9

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:

goldMedal13 out of 132,108 
 
Samsung Electronics Co., Ltd.
 patents
silverMedal1 out of 2,321 
 
Samsung Display Co., Ltd.
 patents
bronzeMedal1 out of 27,288 
 
Samsung Display Co., Ltd.
 patents
4. 1 out of 7,663 
 
Samsung Sdi Co., Inc.
 patents
where one patent can have more than one assignee

Years Active: 2018-2026

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15 patents (USPTO):Explore Patents
1. 12674092 - Organometallic compound, organic light-emitting device including the same, and diagnostic composition including the organometallic compound (2026-07-07),
2. 12520720 - Heterocyclic compound and organic light-emitting device (2026-01-06),
3. 12514106 - Organometallic compound, organic light-emitting device including organometallic compound, and diagnostic composition including organometallic compound (2025-12-30),
4. 12492218 - Organometallic compound, organic light-emitting device including the same, and electronic apparatus including the organic light-emitting device (2025-12-09),
5. 12448402 - Organometallic compound, organic light-emitting device including the same, and diagnostic composition including the organometallic compound (2025-10-21),
6. 12378468 - Organometallic compound, organic light-emitting device including the same and electronic apparatus including the organic light-emitting device (2025-08-05),
7. 12240863 - Organometallic compound, organic light-emitting device including the same, and electronic apparatus including the organic light-emitting device (2025-03-04),
8. 12101995 - Organometallic compound, organic light-emitting device including the same, and electronic apparatus including the organic light-emitting device (2024-09-24),
9. 12069940 - Organometallic compound, organic light-emitting device including the same and electronic apparatus including the organic light-emitting device (2024-08-20),
10. 12010909 - Organometallic compound, organic light-emitting device including the same and electronic apparatus including the organic light-emitting device (2024-06-11),
11. 11800801 - Organic light-emitting device (2023-10-24),
12. 11760769 - Composition and organic light-emitting device including the same (2023-09-19),
13. 11367837 - Organic light-emitting device (2022-06-21),
14. 11124521 - Condensed cyclic compound and organic light-emitting device including the same (2021-09-21),
15. 10026931 - Method of fabricating white organic light-emitting device by using electrospraying (2018-07-17),

I specialize in innovations, inventions, inventors, patent attorneys, assignees and patents.

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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