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Gyeonggi-do, South Korea

Sk Materials Jnc Co., Ltd.

USPTO Granted Patents = 19

EPO Patents = 1

Forward Citations = 33

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31 inventors (with patents filed for the assignee):

Takuji Hatakeyama (18 out of 28 patents)

Motoki Yanai (7 out of 23 patents)

Yuko Yamaga (5 out of 6 patents)

4. Yasuhiro Kondo (5 out of 8 patents)

5. Yasuyuki Sasada (5 out of 34 patents)

6. Daisuke Baba (4 out of 4 patents)

7. Katsuya Masuda (3 out of 3 patents)

8. Keiichi Nakamoto (3 out of 5 patents)

9. Kazushi Shiren (3 out of 9 patents)

10. Guofang Wang (3 out of 6 patents)

11. Toshiaki Ikuta (3 out of 5 patents)

12. Yukihiro Fujita (2 out of 9 patents)

13. Yohei Ono (2 out of 6 patents)

14. Akio Tajima (2 out of 91 patents)

15. Soichiro Nakatsuka (2 out of 4 patents)

19 patents: Sort by Forward Citations

1. 12473315 - Polycyclic aromatic compound (2025-11-18),

2. 12185625 - Organic electroluminescence element, display device, and lighting device (2024-12-31),

3. 11877506 - Polycyclic aromatic compound (2024-01-16),

4. 11807656 - Polycyclic aromatic compound and light emission layer-forming composition (2023-11-07),

5. 11800785 - Material for organic device and organic electroluminescent device using the same (2023-10-24),

6. 11723263 - Organic electroluminescent element (2023-08-08),

7. 11711970 - Organic electroluminescent device (2023-07-25),

8. 11653565 - Polycyclic aromatic compound (2023-05-16),

9. 11647666 - Organic electroluminescent element (2023-05-09),

10. 11637250 - Polycyclic aromatic compound and light emitting layer-forming composition (2023-04-25),

11. 11637249 - Organic electroluminescent element (2023-04-25),

12. 11600790 - Polycyclic aromatic compound for organic electroluminescent device (2023-03-07),

13. 11539003 - Polycyclic aromatic amino compound (2022-12-27),

14. 11407774 - Polycyclic aromatic compound (2022-08-09),

15. 11342511 - Azoline ring-containing compound, electron transport/injection layer material containing the same, and organic electroluminescent element using the same (2022-05-24),

SK Materials JNC Co., Ltd. is a leading global manufacturer of advanced materials for various industries. With a strong focus on research, development, and innovation, the company strives to deliver high-quality solutions to meet the evolving needs of its customers. SK Materials JNC Co., Ltd. offers a diverse range of products including specialty chemicals, functional materials, electronic materials, and energy materials. Through their commitment to sustainability and responsible business practices, they aim to contribute positively to society and create value for their stakeholders.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

19 Patents

#53 in Gyeonggi-do

#627 in South Korea

#31,670 in the World

Gyeonggi-do, South Korea

Sk Materials Jnc Co., Ltd.

Forward Citations = 33

31 inventors:

Takuji Hatakeyama (18 out of 28 patents)

Motoki Yanai (7 out of 23 patents)

Yuko Yamaga (5 out of 6 patents)

4. Yasuhiro Kondo (5 out of 8 patents)

5. Yasuyuki Sasada (5 out of 34 patents)

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