Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10397986 | Heat generation apparatus using permanent magnets | Tae Jin Kim, Byung-Duk Lee | 2019-08-27 |
| 4898277 | Cover-locking device for a video tape cassette | Kyung-Hoon Chung | 1990-02-06 |