Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398470 | Metal material for storage container of high-purity hydrogen fluoride with improved scratch resistance and method for manufacturing same | Young Ha Song | 2025-08-26 |
| 12146092 | Etching composition, method for etching insulating film of semiconductor devices using the same and method for preparing semiconductor devices | Cheol Woo Kim, Kwang Kuk Lee, Jae Hoon Kwak, Jung Ha Shin, Jong Ho Lee +1 more | 2024-11-19 |
| 12116520 | Composition for etching, method for etching insulator and method for manufacturing semiconductor device, and novel compounds | Cheol Woo Kim, Min Kyung Seon, Yu Na Shim, Jae Hoon Kwak, Jong Ho Lee +1 more | 2024-10-15 |
| 11365350 | Silane compound | Cheol Woo Kim, Yu Na Shim, Kwang Kuk Lee, Jin Kyung Jo | 2022-06-21 |
| 11236116 | Silicon compound | Cheol Woo Kim, Min Kyung Seon, Yu Na Shim, Jae Hoon Kwak, Jong Ho Lee +1 more | 2022-02-01 |
| 11186772 | Etching composition, method for etching insulating film of semiconductor devices using the same and method for preparing semiconductor devices | Cheol Woo Kim, Kwang Kuk Lee, Jae Hoon Kwak, Jung Ha Shin, Jong Ho Lee +1 more | 2021-11-30 |
| 11066601 | Composition for etching, method for etching insulator and method for manufacturing semiconductor device, and novel compounds | Cheol Woo Kim, Min Kyung Seon, Yu Na Shim, Jae Hoon Kwak, Jong Ho Lee +1 more | 2021-07-20 |
| 11028321 | Etching composition, method for etching insulating layer of semiconductor devices and method for preparing semiconductor devices | Cheol Woo Kim, Yu Na Shim, Kwang Kuk Lee, Jae Hoon Kwak, Jong Ho Lee +1 more | 2021-06-08 |
| 10941341 | Etching composition additive, method for preparing the same and etching composition comprising the same | Cheol Woo Kim, Yu Na Shim, Je-Ho Lee, Jae Hoon Kwak, Jin Kyung Jo | 2021-03-09 |
| 10836962 | Etchant composition, method of etching insulating film, method of manufacturing semiconductor device, and silane compound | Cheol Woo Kim, Yu Na Shim, Kwang Kuk Lee, Jin Kyung Jo | 2020-11-17 |