Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11378665 | Distance measuring apparatus and method of operating the same | Jae Wan Kim, Jae Yong Lee, Jae-Heun Woo, Young Pyo Hong | 2022-07-05 |
| 10801864 | Absolute position measuring method, absolute position measuring apparatus, and colour scale comprising plural symbols each with plural segments of different color patterns | Jae Wan Kim, Jae Yong Lee, Jonghan Jin, Jae-Heun Woo | 2020-10-13 |
| 9927224 | Thickness measuring apparatus and thickness measuring method | Jae Wan Kim, Jae Yong Lee, Jae-Heun Woo | 2018-03-27 |
| 9921051 | Thickness measuring apparatus and thickness measuring method | Jae Wan Kim, Chu-Shik Kang, Jong-Han Jin | 2018-03-20 |
| 9651403 | Absolute position measurement method, absolute position measurement apparatus and scale | Jae Wan Kim, Tae-Bong Eom, Chu-Shik Kang, Jong-Han Jin | 2017-05-16 |
| 9121696 | Device and method for measuring via hole of silicon wafer | Jong-Han Jin, Jae Wan Kim, Chu-Shik Kang | 2015-09-01 |
| 9019368 | Spatial phase shifting interferometer using multi wavelength | Jae Wan Kim, Dong-Won Lee | 2015-04-28 |
| 8290007 | Apparatus and method for stabilizing frequency of laser | Jae Wan Kim, Tae-Bong Eom, Chu-Shik Kang | 2012-10-16 |
| 8279448 | Shape measurement apparatus and method | Jae Wan Kim, Tae-Bong Eom, Chu-Shik Kang | 2012-10-02 |
| 4870507 | Video tape recorder system | Jung-ku Ahn, Jong-Kwan Paik, Hee-Chul Gong | 1989-09-26 |