Jeon; Seong Sik
Patent Applications and Registrations
Patent applications and USPTO patent grants for Jeon; Seong Sik.The latest application filed is for "composition for wet etching to silicon nitride".
- Jeon; Seong Sik - Suwon-si KR
- Jeon; Seong-Sik - Pyeongtaek-si KR
| Patent | Date |
|---|---|
| Etching composition effective to selectively wet etch a silicon nitride film Grant 10,995,268 - Lee , et al. May 4, 2 | 2021-05-04 |
| Etchant composition with high selectivity to silicon nitride Grant 10,689,572 - Lee , et al. | 2020-06-23 |
| Composition For Wet Etching To Silicon Nitride App 20190367811 - LEE; SOK HO ; et al. | 2019-12-05 |
| Etchant Composition With High Selectivity To Silicon Nitride App 20190249082 - LEE; Sok Ho ; et al. | 2019-08-15 |
| Cleaning composition and method of manufacturing metal wiring using the same Grant 9,869,027 - Kim , et al. January 16, 2 | 2018-01-16 |
| Cleaning Composition And Method Of Manufacturing Metal Wiring Using The Same App 20160230289 - Kim; Bong-Yeon ; et al. | 2016-08-11 |
| Cleaning composition and method of manufacturing metal wiring using the same Grant 9,340,759 - Kim , et al. May 17, 2 | 2016-05-17 |
| Cleaning Composition And Method Of Manufacturing Metal Wiring Using The Same App 20150136728 - Kim; Bong-Yeon ; et al. | 2015-05-21 |
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