Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10822324 | Method for separating propylene carbonate in preparing process of polyether carbonate polyol | Joon-Hyun Baik | 2020-11-03 |
| 10619006 | Dual metal cyanide catalyst, preparation method therefor, and method for preparing polycarbonate polyol by using catalyst | Joon-Hyun Baik, Il Beom Kim, Seong-hwan Yun, Seong-jin Byeon | 2020-04-14 |
| 6831362 | Diffusion barrier layer for semiconductor device and fabrication method thereof | Hong-Koo Baik, Sung-Man Lee | 2004-12-14 |
| 6797135 | Electroplating apparatus | Do-Heyoung Kim, Jae-Jeong Kim | 2004-09-28 |
| 6718293 | Etching and growth simulation method using a modified cell model | Sang-Heup Moon, Byeong-Ok Cho, Sung-Wook Hwang | 2004-04-06 |
| 6482734 | Diffusion barrier layer for semiconductor device and fabrication method thereof | Hong-Koo Baik, Sung-Man Lee | 2002-11-19 |
| 6429140 | Method of etching of photoresist layer | Dong Hyen Yi, Myung Ho Yim | 2002-08-06 |
| 6372116 | Method of forming a conductive layer and an electroplating apparatus thereof | Do-Heyoung Kim, Jae-Jeong Kim | 2002-04-16 |
| 6316166 | Method of forming micro pattern of semiconductor device | Sung-Hon Chi | 2001-11-13 |
| 6225220 | Plug forming method for semiconductor device | Sung-Hun Chi | 2001-05-01 |
| 6146542 | Dry etching method of multilayer film | Sung-Hun Chi | 2000-11-14 |
| 6130153 | Interconnection fabrication method for semiconductor device | — | 2000-10-10 |
| 6090719 | Dry etching method for multilayer film | Sung-Hun Chi | 2000-07-18 |
| 6077777 | Method for forming wires of semiconductor device | — | 2000-06-20 |
| 6069785 | Method for restoring an electrostatic chuck force | — | 2000-05-30 |
| 6039888 | Method of etching an organic anti-reflective coating | Sun Ae Jun | 2000-03-21 |
| 5990020 | Method for forming a conductive plug | — | 1999-11-23 |
| 5976395 | Selective etching method for stacked organic film | — | 1999-11-02 |
| 5399236 | Method for manufacturing a semiconductor device | Hee K. Park | 1995-03-21 |