Yun; Seong-hwan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yun; Seong-hwan.The latest application filed is for "power semiconductor device".
- Yun; Seong-hwan - Seoul KR
- Yun; Seong-Hwan - Busan KR
| Patent | Date |
|---|---|
| Power semiconductor device Grant 11,296,221 - Lee , et al. April 5, 2 | 2022-04-05 |
| Power semiconductor device and manufacturing method thereof Grant 10,886,377 - Lee , et al. January 5, 2 | 2021-01-05 |
| Power Semiconductor Device App 20200357919 - LEE; Ju-Hwan ; et al. | 2020-11-12 |
| Dual metal cyanide catalyst, preparation method therefor, and method for preparing polycarbonate polyol by using catalyst Grant 10,619,006 - Baik , et al. | 2020-04-14 |
| Power Semiconductor Device And Manufacturing Method Thereof App 20190393316 - LEE; Ju Hwan ; et al. | 2019-12-26 |
| Dual Metal Cyanide Catalyst, Preparation Method Therefor, And Method For Preparing Polycarbonate Polyol By Using Catalyst App 20190010284 - BAIK; Joon-Hyun ; et al. | 2019-01-10 |
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