Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7216543 | Mass measurement system and method using measurement of frequency shift of vibrator | Hae Jin Choi, Gi Hyuk Choi, Jong Woo Kim, Youn Kyu Kim | 2007-05-15 |
| 7161096 | Mass measurement system and method using inertial force and standard mass in gravity-free environment | Hae Jin Choi, Gi Hyuk Choi, Jong Woo Kim, Youn Kyu Kim | 2007-01-09 |