Hwang; Sung-il
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hwang; Sung-il.The latest application filed is for "system for collecting polluted air, device for collecting polluted air and method thereof".
- Hwang; Sung-il - Seoul KR
| Patent | Date |
|---|---|
| System For Collecting Polluted Air, Device For Collecting Polluted Air And Method Thereof App 20120297974 - Hwang; Sung-il | 2012-11-29 |
| Road Information Provision System Using Navigation Device App 20120150438 - Hwang; Sung-il | 2012-06-14 |
| Ubiquitous home network system Grant 8,131,207 - Hwang , et al. March 6, 2 | 2012-03-06 |
| Ubiquitous Wireless Network System, Node Module, and Operation Method of the Node Module App 20080294767 - Hwang; Sung-Il | 2008-11-27 |
| Ubiquitous Home Network System App 20080160938 - Hwang; Sung-Il ; et al. | 2008-07-03 |
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