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Hwaseong-si, South Korea

Yasushi Koishikawa

USPTO Granted Patents = 14 (Patent Applications = 11)

EPO Patents = 7 (Patent Applications = 12)

Average Co-Inventor Count = 6.9

ph-index = 1

Forward Citations = 6(Granted Patents)

Company Filing History:

13 out of 131,906

Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

1 out of 27,153

Samsung Display Co., Ltd.

where one patent can have more than one assignee

Years Active: 2018-2026

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12520720 - Heterocyclic compound and organic light-emitting device (2026-01-06),

2. 12514106 - Organometallic compound, organic light-emitting device including organometallic compound, and diagnostic composition including organometallic compound (2025-12-30),

3. 12492218 - Organometallic compound, organic light-emitting device including the same, and electronic apparatus including the organic light-emitting device (2025-12-09),

4. 12448402 - Organometallic compound, organic light-emitting device including the same, and diagnostic composition including the organometallic compound (2025-10-21),

5. 12378468 - Organometallic compound, organic light-emitting device including the same and electronic apparatus including the organic light-emitting device (2025-08-05),

6. 12240863 - Organometallic compound, organic light-emitting device including the same, and electronic apparatus including the organic light-emitting device (2025-03-04),

7. 12101995 - Organometallic compound, organic light-emitting device including the same, and electronic apparatus including the organic light-emitting device (2024-09-24),

8. 12069940 - Organometallic compound, organic light-emitting device including the same and electronic apparatus including the organic light-emitting device (2024-08-20),

9. 12010909 - Organometallic compound, organic light-emitting device including the same and electronic apparatus including the organic light-emitting device (2024-06-11),

10. 11800801 - Organic light-emitting device (2023-10-24),

11. 11760769 - Composition and organic light-emitting device including the same (2023-09-19),

12. 11367837 - Organic light-emitting device (2022-06-21),

13. 11124521 - Condensed cyclic compound and organic light-emitting device including the same (2021-09-21),

14. 10026931 - Method of fabricating white organic light-emitting device by using electrospraying (2018-07-17),

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