Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6813959 | Apparatus and method for measuring residual stress and photoelastic effect of optical fiber | Dug-Young Kim, Un-Chul Paek, Mun-Hyun Do | 2004-11-09 |
| 6721058 | Apparatus for and method of measuring thickness of materials using the focal length of a lensed fiber | Duck Young Kim, Young Yook, Nak Hyoun Sung | 2004-04-13 |
| 6678433 | Apparatus and method for measuring residual stress and photoelastic effect of optical fiber | Jin Han Kim, Sung-Koog Oh, Un-Chul Paek, Dug-Young Kim | 2004-01-13 |