Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6436809 | Method of manufacturing semiconductor devices, etching compositions for manufacturing semiconductor devices, and semiconductor devices made using this method | Gyu-hwan Kwag, Se-Jong Ko, Kyung-Seuk Hwang, Jun-ing Gil, Sang-Oh Park +2 more | 2002-08-20 |
| 6366688 | Apparatus and method for contact failure inspection in semiconductor devices | Chung-Sam Jun, Jeong-kon Kim, Sang-bong Choi | 2002-04-02 |
| 6232228 | Method of manufacturing semiconductor devices, etching composition for manufacturing semiconductor devices, and semiconductor devices made using the method | Gyu-hwan Kwag, Se-Jong Ko, Kyung-Seuk Hwang, Jun-ing Gil, Sang-Oh Park +2 more | 2001-05-15 |
| 6140233 | Method of manufacturing semiconductor devices, etching compositions for manufacturing semiconductor devices, and semiconductor devices thereby | Gyu-hwan Kwag, Se-Jong Ko, Kyung-Seuk Hwang, Jun-ing Gil, Sang-Oh Park +2 more | 2000-10-31 |
| 6100203 | Methods of employing aqueous cleaning compositions in manufacturing microelectronic devices | Joon-ing Kil, Pil-Kwon Jun, Min-sang Yun, Young-hwan Yun, Gyu-hwan Kwack | 2000-08-08 |
| 5866305 | Thinner composition for washing a photoresist in a process for preparing semiconductors | Boo Sup Lee, Sung-Il Kim, Jun-ing Gil, Pil-Kwon Jun, Me-suk Jun | 1999-02-02 |