Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297370 | Undercoat paint composition | Se Jun Shin, Sang Hyeak Yoon, Chi Uk Kim, Jong Yun Park, Dong Geon Kim +2 more | 2025-05-13 |
| 7456641 | Probe card that controls a temperature of a probe needle, test apparatus having the probe card, and test method using the test apparatus | Young-Gil Bae, In Su Kim | 2008-11-25 |
| 6744489 | Semiconductor exposure apparatus and method of driving the same | — | 2004-06-01 |
| 6198982 | Method and apparatus for detecting the presence of particles on a wafer holder of semiconductor exposure equipment | Jong-soon Yun | 2001-03-06 |
| 6166646 | Vacuum-adsorbing apparatus of semiconductor device fabrication facility | Ki-man Lyu | 2000-12-26 |
| 6043892 | Exposure field sensor of a chip leveling apparatus having an aperture for changing at least one dimension of the incident light of the sensor | — | 2000-03-28 |
| 6026986 | Chemical spray system and waste liquid tank used in same | Dug-Kyu Choi, Bong-seuk Park | 2000-02-22 |
| 5978068 | Apparatus for protecting a reference mark used in exposure equipment | — | 1999-11-02 |
| 5933220 | Apparatus and method for limiting double exposure in stepper | — | 1999-08-03 |