Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11142694 | Etchant composition and method of fabricating semiconductor device | Jung-a Kim, Young-chan Kim, Hyo-San Lee, Hoon Han, Jin Uk Lee +1 more | 2021-10-12 |
| 11028488 | Etching composition, a method of etching a metal barrier layer and a metal layer using the same, and method of manufacturing semiconductor device using the same | Jungah Kim, Mihyun PARK, Jinwoo Lee, Keonyoung Kim, Hyosan Lee +2 more | 2021-06-08 |
| 11008513 | Composition for etching | Jin Uk Lee, Jae Wan Park | 2021-05-18 |
| 10995269 | Etchant composition and method of fabricating integrated circuit device using the same | Jin Woo Lee, Hoon Han, Keon-Young Kim, Jin Uk Lee, Jae Wan Park | 2021-05-04 |
| 10800972 | Etching composition and method for fabricating semiconductor device by using the same | Hyo-Sun Lee, Ho-Young Kim, Sang Won Bae, Min-Goo Kim, Yong Jae Choi | 2020-10-13 |
| 10793775 | Etching composition and method for fabricating semiconductor device by using the same | Soo-Jin Kim, Hyo-Sun Lee, Jin-Hye Bae, Yong Jae Choi | 2020-10-06 |
| 10465112 | Composition for etching | Jin Uk Lee, Jae Wan Park | 2019-11-05 |
| 10414978 | Etching composition and method for fabricating semiconductor device by using the same | Soo-Jin Kim, Hyo-Sun Lee, Jin-Hye Bae, Yong Jae Choi | 2019-09-17 |
| 10377948 | Etching composition and method for fabricating semiconductor device by using the same | Hyo-Sun Lee, Ho-Young Kim, Sang Won Bae, Min-Goo Kim, Yong Jae Choi | 2019-08-13 |
| 10332740 | Method of manufacturing a semiconductor device and a cleaning composition for an adhesive layer | Hoyoung Kim, Hyo-Sun Lee, Soojin Kim, Keonyoung Kim, Jinhye Bae +2 more | 2019-06-25 |
| 9868902 | Composition for etching | Jin Uk Lee, Jae Wan Park | 2018-01-16 |
| 9530670 | Methods of forming conductive patterns and methods of manufacturing semiconductor devices using the same using an etchant composition that includes phosphoric acid, nitric acid, and an assistant oxidant | Hoon Han, Byoung-Moon Yoon, Young-Taek Hong, Keon-Young Kim, Jun-Youl Yang +5 more | 2016-12-27 |
| 8821752 | Etching composition and method for fabricating semiconductor device using the same | Sung-Hyuk Cho, Kwon Hong, Hyung-Soon Park, Gyu Hyun Kim, Ji Hye HAN +3 more | 2014-09-02 |
| 8465662 | Composition for wet etching of silicon dioxide | Dae Hyun Kim, Chang Jin Yoo, Seong Hwan Park | 2013-06-18 |
| 7951765 | Photoresist stripper composition for semiconductor manufacturing | Hyun-Tak Kim, Seong Hwan Park, Sung-Bae Kim, Chan Jin Jeong, Kui-Jong Baek | 2011-05-31 |
| 7851372 | Composition for removing an insulation material, method of removing an insulation layer and method of recycling a substrate using the same | Dong Min KANG, Kui-Jong Baek, Woong Hahn, Chun-Deuk Lee, Young-Nam Kim +1 more | 2010-12-14 |