Koo; Sang Shin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Koo; Sang Shin.The latest application filed is for "constant-current-drive led module device".
- Koo; Sang Shin - Gyeonggi-do KR
| Patent | Date |
|---|---|
| Constant-current-drive LED module device Grant 8,872,434 - Jung , et al. October 28, 2 | 2014-10-28 |
| Constant-current-drive Led Module Device App 20120206056 - Jung; Hye Man ; et al. | 2012-08-16 |
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