Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6615640 | Fine friction and wear test apparatus for plate specimen | Hyo Sok Ahn, Choong Hyun Kim, Nikolai K. Myshkin, Andrei M. Dubravin | 2003-09-09 |
| 6441371 | Scanning probe microscope | Hyo Sok Ahn, Choong Hyun Kim, Sergei A. Chizhik, Andrei M. Dubravin | 2002-08-27 |