Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198815 | Etching composition and method for fabricating semiconductor device by using the same | Soo-Jin Kim, Hyo-Sun Lee, Jung Hun Lim, Yong Jae Choi | 2021-12-14 |
| 10833251 | Composition for cleaning magnetic patterns | Ho-Young Kim, Hoon Han, Won Jun Lee, Chang Kyu LEE, Geun-Joo Baek +1 more | 2020-11-10 |
| 10793775 | Etching composition and method for fabricating semiconductor device by using the same | Soo-Jin Kim, Hyo-Sun Lee, Jung Hun Lim, Yong Jae Choi | 2020-10-06 |
| 10414978 | Etching composition and method for fabricating semiconductor device by using the same | Soo-Jin Kim, Hyo-Sun Lee, Jung Hun Lim, Yong Jae Choi | 2019-09-17 |
| 10062837 | Method of forming magnetic patterns, and method of manufacturing magnetic memory devices | Ho-Young Kim, Hoon Han, Won Jun Lee, Chang Kyu LEE, Geun-Joo Baek +1 more | 2018-08-28 |
| 9318697 | Methods of detecting an etch by-product and methods of manufacturing a magnetoresistive random access memory device using the same | Won Jun Lee, Sung-Yoon Chung, Taek Dong Chung | 2016-04-19 |
| 7582539 | Methods of cleaning a semiconductor device and methods of manufacturing a semiconductor device using the same | Keum-Joo Lee, Dae-Keun Kang | 2009-09-01 |