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For the Inventor, By the Inventor

Seoul, South Korea

Sk on Co., Ltd.


USPTO Granted Patents = 170


Forward Citations = 0

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335 inventors (with patents filed for the assignee):

goldMedal Hae Ryong Jeon (17 out of 51 patents)

silverMedal Chang Mook Hwang (12 out of 18 patents)

bronzeMedal Jin Su Han (11 out of 17 patents)

4.  Sei Hoon Cho (10 out of 25 patents)

5.  Min Song Kang (10 out of 17 patents)

6.  Seo Roh Rhee (9 out of 37 patents)

7.  Yang Kyu Choi (9 out of 31 patents)

8.  Yoon Ji Jo (9 out of 15 patents)

9.  Jong Hyeok Lee (9 out of 13 patents)

10.  Jun Hee Jung (8 out of 24 patents)

11.  Hee Gyoung Kang (7 out of 33 patents)

12.  Ju Ho Chung (7 out of 27 patents)

13.  Jong Hyuk Lee (7 out of 25 patents)

14.  Byeong Jun Pak (7 out of 9 patents)

15.  Ji Hoon Choi (7 out of 8 patents)


Core Competencies:
Electrode Assembly
Cathode Active Material
Battery Module
Anode Active Material
Pouch-Type Battery
Electrolyte
Battery Pack
Battery System
Fire Detection Device
Battery Cell
Ventilation Device
Energy Storage System

170 patents:

1. 12756062 - Battery module and battery pack including the same (2026-10-06),
2. 12756048 - Battery cell stack and manufacturing method thereof (2026-10-06),
3. 12756038 - Secondary battery and battery module (2026-10-06),
4. 12756024 - Device and method for sensing state of battery cell (2026-10-06),
5. 12756017 - Folding method for battery pouch and lithium secondary battery including battery pouch (2026-10-06),
6. 12754250 - Device and method for sensing state of battery cell (2026-10-06),
7. 12753251 - Binder for secondary battery, negative electrode for secondary battery including the same, and lithium secondary battery including the same (2026-10-06),
8. 12749747 - Secondary battery (2026-09-29),
9. 12749716 - Stack type jelly roll for secondary battery, battery cell including the same, battery pack including the same, and method of manufacturing the same (2026-09-29),
10. 12746521 - Ultra-dispersion mixer (2026-09-29),
11. 12744232 - Apparatus for inserting electrode assembly and method for inserting electrode assembly using same (2026-09-22),
12. 12744209 - Lithium secondary battery (2026-09-22),
13. 12738604 - Battery module, battery pack having the same, and manufacturing method of battery module (2026-09-15),
14. 12738596 - Secondary battery (2026-09-15),
15. 12738590 - Battery cell and battery device having the same (2026-09-15),
Company Overview
SK on Co., Ltd., headquartered in Seoul, South Korea, specializes in the development and manufacturing of lithium secondary batteries. The company focuses on advanced technologies related to electrode assembly, cathode and anode active materials, and pouch-type batteries. SK on is committed to enhancing battery performance and safety through innovative battery modules, packs, and systems, catering to the growing demand for energy storage solutions in various applications, including electric vehicles and renewable energy systems.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

170 Patents

#51 in Seoul

#129 in South Korea

#4,864 in the World

Seoul, KR
Seoul, South Korea

Sk on Co., Ltd.

Forward Citations = 0

335 inventors:

goldMedal Hae Ryong Jeon (17 out of 51 patents)

silverMedal Chang Mook Hwang (12 out of 18 patents)

bronzeMedal Jin Su Han (11 out of 17 patents)

4.  Sei Hoon Cho (10 out of 25 patents)

5.  Min Song Kang (10 out of 17 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sk on Co., Ltd.. Retrieved from https://idiyas.com/company/sk-on

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

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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