Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6338930 | Positive photoresist layer and a method for using the same | Jin-Ho Ju, Yu-Kyung Lee, Hong-sik Park, Yun-Jung Nah, Ki-Soo Kim | 2002-01-15 |
| 6216548 | Method for sampling particles present in a processing chamber | Hee-jung PARK, Baik-Soon Choi, Jin-Sung Kim | 2001-04-17 |
| 6146898 | Apparatus and method for on-line decomposition of hydrogen peroxide solution in fabrication of semiconductor device | Dong Soo Lee | 2000-11-14 |
| 6119532 | Apparatus and method for particle sampling during semiconductor device manufacturing | Hee-jung PARK, Baik-Soon Choi, Jin-Sung Kim | 2000-09-19 |
| 6064368 | User interface device for PC system | — | 2000-05-16 |
| 5948690 | Pretreatment system for analyzing impurities contained in flat sample | Jin-Ho Ju, Yong-Kyun Ko | 1999-09-07 |
| 5939032 | Apparatus and method for on-line decomposition of hydrogen peroxide solution in fabrication of semiconductor device | Dong Soo Lee | 1999-08-17 |
| 5935302 | Ion chromatography system for conducting an environmental analysis in semiconductor equipment | Jin-Ho Ju, Sang Kyung KIM | 1999-08-10 |
| 5914607 | Apparatus and methods for analyzing a sample solution, including first and second ion detectors | Jin-Ho Ju, Sang Kyong Kim | 1999-06-22 |