Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5856623 | Particle counter with sampling probe having adjustable intake area | Yo-Han Ahn, Jae-Jun Ryu, Joung-Sun Lee | 1999-01-05 |
TK
Tac-ho Kim
Overall (All Time): #3,638,516 of 4,157,543Top 90%
1
Patents All Time