Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9082053 | Code pattern comprising information deciphered by digital device and operating system for same | — | 2015-07-14 |
| 5711808 | Boat for vertical diffusion furnace | Chung Hwan Kwon, Sang-Woon Kim, Choung-bae Park | 1998-01-27 |