Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10561933 | Game methods for controlling game using virtual buttons and systems for performing the same | — | 2020-02-18 |
| 8362709 | Current balance circuit having protection function, and power supply | Won Sik CHONG, Jong Rak Kim, Yoon Seok Seo | 2013-01-29 |
| 8080945 | Multiple lamp driving device comprising balance transformer | Won Sik CHONG, Yoon Seok Seo, Ki Hung Nam | 2011-12-20 |
| 7274282 | Transformer | Jung Heyn Park, Jong Rak Kim, Suh Woo Choi, Young Gun Hong | 2007-09-25 |