Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12424379 | Transformer and power supplying device including the same | Chang Yong Kwon, Dong Kyun Ryu, Yun Sic BANG | 2025-09-23 |
| 12334694 | Electric appliance and adapter | Young Jun Jang, Hyun-Su Kim, Jun Kyu Lee, Pill Ju Kim, Dong Kyun Ryu | 2025-06-17 |
| 12120284 | Image encryption method using line interlacing and image decryption apparatus therefor | Heung-Kyu Lee, Ji Hyeon Kang | 2024-10-15 |
| 12028985 | Electrical device having heat dissipation structure using filler and manufacturing method of the same | Jun Kyu Lee, Jeong Man Han, Su Young Kim, Yong Woo Kang, Dong Kyun Ryu | 2024-07-02 |
| 11955755 | Electric appliance and adapter | Young Jun Jang, Hyun-Su Kim, Jun Kyu Lee, Pill Ju Kim, Dong Kyun Ryu | 2024-04-09 |
| 11825599 | Air-pocket prevention PCB, air-pocket prevention PCB module, electrical device including the same, and manufacturing method of electrical device including the same | Jun Kyu Lee, Jeong Man Han, Su Young Kim, Yong Woo Kang, Dong Kyun Ryu | 2023-11-21 |
| 11783989 | Transformer | Eun Sik Kim, Jun Kyu Lee, Changyong Kwon, Dong Kyun Ryu, Taeksoo HAN +1 more | 2023-10-10 |
| 11223274 | System and method of controlling dead time of converter | Dong Kyun Ryu | 2022-01-11 |
| 10958182 | Transformer and LLC resonant converter having the same | Sang Kyoo Han, Cheol-Wan Park, Dong Kyun Ryu, Heung Gyoon Choi | 2021-03-23 |
| 10630191 | Transformer and LLC resonant converter having the same | Sang Kyoo Han, Cheol-Wan Park, Dong Kyun Ryu, Heung Gyoon Choi | 2020-04-21 |
| 10541619 | LLC resonant converter and electronic device | Sang Kyoo Han, Hyun-su Gu, Hyo-hun Kim, Dong Kyun Ryu, Heung Gyoon Choi | 2020-01-21 |
| 8810213 | Power control method and apparatus for tracking maximum power point in a photovoltaic system | Yong Woo Kim, Sung Soo Hong, Chung Wook Roh, Sang Kyoo Han | 2014-08-19 |