Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7419614 | Method of etching and cleaning objects | Jeong-Jin Kim, Il Ryong Park | 2008-09-02 |
HC
Hae-Joo Choi
Overall (All Time): #3,364,581 of 4,157,543Top 85%
1
Patents All Time