For the Inventor, By the Inventor

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Seoul, South Korea

Sk on Co., Ltd.

USPTO Granted Patents = 394

EPO Patents = 104

Trademarks = 1

Forward Citations = 54

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376 inventors (with patents filed for the assignee):

Hae Ryong Jeon (31 out of 50 patents)

Seo Roh Rhee (26 out of 36 patents)

Jik Soo Kim (24 out of 34 patents)

4. Myoung Lae Kim (24 out of 33 patents)

5. Hee Gyoung Kang (22 out of 32 patents)

6. Seung Hoon Ju (21 out of 39 patents)

7. Sang Bok Kim (21 out of 30 patents)

8. Yong Uk Kim (18 out of 24 patents)

9. Jong Hyuk Lee (17 out of 24 patents)

10. Tae Il Kim (16 out of 40 patents)

11. Ji Hoon Choi (16 out of 63 patents)

12. Gwi Ok Park (15 out of 20 patents)

13. Yang Kyu Choi (14 out of 31 patents)

14. Seok Min Kim (13 out of 16 patents)

15. Byoung Wook Jo (13 out of 17 patents)

Core Competencies:

Anode Active Material

Cathode Active Material

Electrolyte Solution

Battery Management System

Battery Cell Stack

Secondary Battery

Battery Module

Negative Electrode

Positive Electrode

Manufacturing Method

Battery Pack

Electrode Assembly

394 patents: Sort by Forward Citations

1. 12525608 - Anode active material for lithium secondary battery and lithium secondary battery including the same (2026-01-13),

2. 12525605 - Cathode active material for lithium secondary battery and method of manufacturing the same (2026-01-13),

3. 12519171 - Method for manufacturing battery cell stack (2026-01-06),

4. 12519162 - Battery cell and method of manufacturing the same (2026-01-06),

5. 12519161 - Rechargeable battery (2026-01-06),

6. 12519155 - Secondary battery and battery module having thereof (2026-01-06),

7. 12519133 - Electrolyte solution for lithium secondary battery and lithium secondary battery including the same (2026-01-06),

8. 12519095 - Lithium secondary battery including negative electrode having improved resistance to degradation, and method for manufacturing same (2026-01-06),

9. 12517185 - Method for detecting abnormal condition or fault of battery, and a battery management system operating the same (2026-01-06),

10. 12515907 - Tape feeding device (2026-01-06),

11. 12512565 - Battery system (2025-12-30),

12. 12512536 - Pouch for secondary battery and secondary battery comprising the same (2025-12-30),

13. 12512468 - Cathode active material precursor and lithium secondary battery utilizing same (2025-12-30),

14. 12512466 - Anode active material for a lithium secondary battery, method of preparing the same and lithium secondary battery including the same (2025-12-30),

15. 12506172 - Pouch secondary battery and method of fabricating the same (2025-12-23),

SK ON CO., LTD. is a global company that specializes in providing innovative solutions in various industries. With a focus on technology and sustainability, we strive to create value for our customers and contribute to a better future. Visit our website to explore our range of products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

394 Patents

#31 in Seoul

#64 in South Korea

#2,348 in the World

Seoul, South Korea

Sk on Co., Ltd.

Forward Citations = 54

376 inventors:

Hae Ryong Jeon (31 out of 50 patents)

Seo Roh Rhee (26 out of 36 patents)

Jik Soo Kim (24 out of 34 patents)

4. Myoung Lae Kim (24 out of 33 patents)

5. Hee Gyoung Kang (22 out of 32 patents)

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