Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12252468 | Method for purifying waste N-methyl-2-pyrrolidone mixture solution | — | 2025-03-18 |
| 7860289 | Method of dental microscopic procedure | Ben Yoo, Young Hun HAN, Won Joo Woo | 2010-12-28 |
| 7620228 | Method of dental microscopic procedure | Ben Yoo, Young Hun HAN, Won Joo Woo | 2009-11-17 |
| 7433505 | Method of dental microscopic procedure | Ben Yoo, Young Hun HAN, Won Joo Woo | 2008-10-07 |