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Seoul, South Korea

Sk on Co., Ltd.

USPTO Granted Patents = 384

EPO Patents = 103

Trademarks = 1

Forward Citations = 36

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365 inventors (with patents filed for the assignee):

Hae Ryong Jeon (30 out of 33 patents)

Seo Roh Rhee (24 out of 26 patents)

Myoung Lae Kim (24 out of 31 patents)

4. Jik Soo Kim (23 out of 27 patents)

5. Hee Gyoung Kang (22 out of 26 patents)

6. Sang Bok Kim (21 out of 24 patents)

7. Seung Hoon Ju (20 out of 33 patents)

8. Yong Uk Kim (18 out of 22 patents)

9. Jong Hyuk Lee (17 out of 18 patents)

10. Tae Il Kim (16 out of 36 patents)

11. Ji Hoon Choi (15 out of 27 patents)

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

13. Yang Kyu Choi (13 out of 19 patents)

14. Byoung Wook Jo (13 out of 16 patents)

15. Tae Gu Lee (12 out of 19 patents)

Core Competencies:

Lithium Ion Batteries

Negative Electrode Materials

Battery Modules

Electrolytic Solutions

Cathode Active Materials

Battery Pack Manufacturing

Electrode Assembly

Battery Performance Evaluation

Anode Materials

Conductive Material Solutions

Sensing Assemblies

Battery Cell Assemblies

384 patents: Sort by Forward Citations

1. 12512565 - Battery system (2025-12-30),

2. 12512536 - Pouch for secondary battery and secondary battery comprising the same (2025-12-30),

3. 12512468 - Cathode active material precursor and lithium secondary battery utilizing same (2025-12-30),

4. 12512466 - Anode active material for a lithium secondary battery, method of preparing the same and lithium secondary battery including the same (2025-12-30),

5. 12506172 - Pouch secondary battery and method of fabricating the same (2025-12-23),

6. 12506140 - Anode active material for lithium secondary battery and lithium secondary battery including the same (2025-12-23),

7. 12506139 - Lithium-doped silicon-based oxide negative electrode active material, method of preparing the same, and negative electrode and secondary battery including the same (2025-12-23),

8. 12503531 - Organic and inorganic composite polymer electrolyte and all solid state battery comprising the same (2025-12-23),

9. 12500259 - Apparatus for manufacturing battery cell (2025-12-16),

10. 12500229 - Anode active material for lithium secondary battery and lithium secondary battery including the same (2025-12-16),

11. 12494547 - Apparatus for manufacture of electrode assembly and electrode assembly manufactured by the same (2025-12-09),

12. 12494485 - Sulfur electrode and method for manufacturing same (2025-12-09),

13. 12489115 - Negative electrode active material for lithium ion secondary battery, negative electrode, and lithium ion secondary battery including the same (2025-12-02),

14. 12482906 - Sensing assembly and battery module (2025-11-25),

15. 12482901 - Battery module (2025-11-25),

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 - Dec 30 2025

384 Patents

#27 in Seoul

#62 in South Korea

#2,335 in the World

Seoul, South Korea

Sk on Co., Ltd.

Forward Citations = 36

365 inventors:

Hae Ryong Jeon (30 out of 33 patents)

Seo Roh Rhee (24 out of 26 patents)

Myoung Lae Kim (24 out of 31 patents)

4. Jik Soo Kim (23 out of 27 patents)

5. Hee Gyoung Kang (22 out of 26 patents)

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