Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9189726 | RFID tag including protection layers and having enhanced durability | Yong-Jun Kim | 2015-11-17 |
| 5575973 | High strength high toughness spring steel, and manufacturing process therefor | Hae-Chang Choi, Jong-Kyo Choi, Soo D. Bark, Jong-Han Choi, Jang Gyun KIM | 1996-11-19 |