For the Inventor, By the Inventor

Enter assignee name

Yongin, South Korea

Solum Co., Ltd.

USPTO Granted Patents = 85

% Expired Patents = 28.2

EPO Patents = 15

Trademarks = 11

Forward Citations = 119

Loading Chart...

Loading Chart...

176 inventors (with patents filed for the assignee):

Dong Kyun Ryu (10 out of 20 patents)

Heung Gyoon Choi (10 out of 24 patents)

Jae Gen Eom (8 out of 14 patents)

4. Hyun Hun Cho (8 out of 8 patents)

5. Tae Won Heo (7 out of 18 patents)

6. Young Min Lee (7 out of 62 patents)

7. Sang Keun Ji (6 out of 7 patents)

8. Hwan Chul Cho (6 out of 18 patents)

9. Young Seung Noh (6 out of 13 patents)

10. Jong Woo Kim (6 out of 77 patents)

11. Seh Hoon Jang (5 out of 5 patents)

12. Nak Jun Jeong (5 out of 5 patents)

13. Byoung Woo Ryu (5 out of 19 patents)

14. Jung Chul Gong (5 out of 41 patents)

15. Geun Young Park (5 out of 21 patents)

Core Competencies:

Transformer

Power Supply

Electronic Shelf Label

Wireless Charger

LED Lighting

Heat Dissipation

Converter

Multi-Output

Choke Coil

Control Circuit

Battery Case

Adapter

85 patents: Sort by Forward Citations

1. 12525390 - Coil structure, power factor correction circuit including the coil structure, and power supply including the power factor correction circuit (2026-01-13),

2. 12500029 - Transformer having reverse structure, power supply, and flat panel display device including the same (2025-12-16),

3. 12431274 - Base and transformer device including the same (2025-09-30),

4. 12426173 - Battery case and electronic price indicator including the same (2025-09-23),

5. 12424379 - Transformer and power supplying device including the same (2025-09-23),

6. 12334694 - Electric appliance and adapter (2025-06-17),

7. 12307433 - Electronic shelf label and method of controlling information display of the same (2025-05-20),

8. 12046937 - Wireless charger with sterilization function (2024-07-23),

9. 12046406 - Planar transformer including y-capacitor (2024-07-23),

10. 12045795 - Electronic shelf label and method of controlling information display of the same (2024-07-23),

11. 12028985 - Electrical device having heat dissipation structure using filler and manufacturing method of the same (2024-07-02),

12. 11985772 - Battery case and electronic price indicator including the same (2024-05-14),

13. 11955755 - Electric appliance and adapter (2024-04-09),

14. 11899332 - Display device (2024-02-13),

15. 11825599 - Air-pocket prevention PCB, air-pocket prevention PCB module, electrical device including the same, and manufacturing method of electrical device including the same (2023-11-21),

Solum Co., Ltd., based in Yongin, South Korea, specializes in power supply technology, focusing on innovative solutions that enhance energy efficiency and performance. The company develops a range of products including transformers, power supplies, and wireless chargers, catering to diverse applications such as electronic shelf labels and LED lighting systems. With a commitment to advancing heat dissipation and converter technologies, Solum is positioned as a key player in the power supply sector, driving progress in multi-output systems.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

Solum Co., Ltd.

85 Patents

#8 in Yongin

#212 in South Korea

#8,951 in the World

Yongin, South Korea

Solum Co., Ltd.

Forward Citations = 119

176 inventors:

Dong Kyun Ryu (10 out of 20 patents)

Heung Gyoon Choi (10 out of 24 patents)

Jae Gen Eom (8 out of 14 patents)

4. Hyun Hun Cho (8 out of 8 patents)

5. Tae Won Heo (7 out of 18 patents)

Please report any incorrect information to [email protected]

Loading…