Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10018905 | Phase shift blankmask and photomask | Kee-Soo Nam, Cheol Shin, Jong-Hwa Lee, Chul-Kyu YANG, Min-Ki CHOI +1 more | 2018-07-10 |
| 9851632 | Phase-shift blankmask and photomask | Kee-Soo Nam, Cheol Shin, Chul-Kyu YANG, Jong-Hwa Lee, Min-Ki CHOI +1 more | 2017-12-26 |
| 9551925 | Blankmask and photomask using the same | Kee-Soo Nam, Chul-Kyu YANG, Geung-Won Kang, Cheol Shin, Jong-Hwa Lee +2 more | 2017-01-24 |
| 9482940 | Blankmask and photomask | Kee-Soo Nam, Geung-Won Kang, Cheol Shin, Jong-Hwa Lee, Chul-Kyu YANG +2 more | 2016-11-01 |
| 9229317 | Blankmask and method for fabricating photomask using the same | Kee-Soo Nam, Geung-Won Kang, Chul-Kyu YANG, Jong-Hwa Lee | 2016-01-05 |