Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9580361 | Preparation method of tungsten carbide sintered body for friction stir welding tool | Hyun Kuk Park, Ik Hyun Oh, Hyeon Taek Son, Kwang-Jin Lee, Hee Seon Bang +1 more | 2017-02-28 |
| 7743187 | Audio system, and USB/UART common communication system for the same | Jae Soon Choi | 2010-06-22 |