Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7989123 | Photomask including ion trapping layer and method of manufacturing semiconductor device using the photomask | Han-shin Lee, Jae-Hyuck Choi, Hyung-Ho Ko, Jin-sik Jung, Jong-Keun Oh +1 more | 2011-08-02 |
| 7842916 | Method of and apparatus for analyzing ions adsorbed on surface of mask | Dong Hun Lee, Byung-Cheol Cha, Sung-Jae Han | 2010-11-30 |
| 7803506 | Methods of measuring critical dimensions and related devices | Kyoung-Yoon Bang, Yong Hoon Kim, Yo Han Choi, Hyung Joo Lee | 2010-09-28 |
| 7601469 | Plasma etching chamber and method for manufacturing photomask using the same | Jeong Yun Lee, Jin Min Kim, Young-Hwa No, Sang Joon Yoon, Sung-Yong Cho | 2009-10-13 |
| 7053262 | Mammary gland tissue-specific expression system using β-casein promoter site of Korean native goat | Ook Joon Yoo, Kyung-Kwang Lee, Young Mahn Han, Sun-Jung Kim, Jung Ho Ko +1 more | 2006-05-30 |
| 6980284 | Condensation particle counter | Kang-Ho Ahn, Sang-Soo Kim | 2005-12-27 |
| 6635474 | Mammary gland tissue-specific expression system using &bgr;-casein promoter site of Korean native goat | Ook Joon Yoo, Kyung-Kwang Lee, Young Mahn Han, Sun-Jung Kim, Jung Ho Ko +1 more | 2003-10-21 |