Choi; Sang Deok
Patent Applications and Registrations
Patent applications and USPTO patent grants for Choi; Sang Deok.The latest application filed is for "energy level conversion circuit for portable energy storage apparatus".
- Choi; Sang Deok - Daegu KR
- Choi; Sang Deok - Seongnam-si KR
| Patent | Date |
|---|---|
| Energy level conversion circuit for portable energy storage apparatus Grant 11,152,801 - Chai , et al. October 19, 2 | 2021-10-19 |
| Energy Level Conversion Circuit For Portable Energy Storage Apparatus App 20210091579 - CHAI; Yong Yoong ; et al. | 2021-03-25 |
| System for managing IFC version synchronized with BIM and method for managing IFC version thereof Grant 10,191,933 - Sohn , et al. Ja | 2019-01-29 |
| System For Managing Ifc Version Synchronized With Bim And Method For Managing Ifc Version Thereof App 20150379063 - SOHN; Young Seok ; et al. | 2015-12-31 |
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