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For the Inventor, By the Inventor

Seoul, South Korea

Sk on Co., Ltd.

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USPTO Granted Patents = 188


Forward Citations = 0

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359 inventors (with patents filed for the assignee):

goldMedal Hae Ryong Jeon (20 out of 54 patents)

silverMedal Chang Mook Hwang (12 out of 18 patents)

bronzeMedal Jin Su Han (12 out of 18 patents)

4.  Yang Kyu Choi (11 out of 33 patents)

5.  Sei Hoon Cho (11 out of 26 patents)

6.  Min Song Kang (11 out of 18 patents)

7.  Seo Roh Rhee (10 out of 38 patents)

8.  Yoon Ji Jo (9 out of 15 patents)

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

10.  Ju Ho Chung (8 out of 28 patents)

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

12.  Byeong Jun Pak (8 out of 10 patents)

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

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

15.  Ji Eun Kang (7 out of 10 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

188 patents:

1. 12776546 - Battery module (2026-10-27),
2. 12776515 - Oxide-based film sheet, oxide-based solid electrolyte sheet, and all-solid lithium secondary battery (2026-10-27),
3. 12776508 - Apparatus and method of folding pouch case of battery cell (2026-10-27),
4. 12774168 - Apparatus for discharging powder of secondary battery (2026-10-27),
5. 12773585 - Vehicle comprising fire extinguishing agent inlet structure and vehicle control method (2026-10-27),
6. 12770991 - Weld bead and secondary battery module including the same (2026-10-20),
7. 12770966 - Battery module and manufacturing method of battery module (2026-10-20),
8. 12770955 - Battery device (2026-10-20),
9. 12770923 - Electrolyte solution for lithium secondary battery and lithium secondary battery including the same (2026-10-20),
10. 12770875 - Anode for secondary battery, method for preparing the same, and secondary battery comprising anode (2026-10-20),
11. 12770865 - Anode for secondary battery and lithium secondary battery including the same (2026-10-20),
12. 12764914 - Housing for a power conversion system (2026-10-13),
13. 12763426 - Battery module and battery pack (2026-10-13),
14. 12763422 - Battery pack (2026-10-13),
15. 12763399 - Composite pad and battery module including the same (2026-10-13),
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 27 2026

188 Patents

#49 in Seoul

#122 in South Korea

#4,480 in the World

Seoul, KR
Seoul, South Korea

Sk on Co., Ltd.

Forward Citations = 0

359 inventors:

goldMedal Hae Ryong Jeon (20 out of 54 patents)

silverMedal Chang Mook Hwang (12 out of 18 patents)

bronzeMedal Jin Su Han (12 out of 18 patents)

4.  Yang Kyu Choi (11 out of 33 patents)

5.  Sei Hoon Cho (11 out of 26 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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