Hwang; Sang-chul
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hwang; Sang-chul.The latest application filed is for "data push service method and system using data pull model".
- Hwang; Sang-chul - Suwon-si KR
- Hwang, Sang-chul - Seoul City KR
- Hwang; Sang-Chul - Chollanam-do KR
| Patent | Date |
|---|---|
| Data push service method and system using data pull model Grant 9,401,885 - Hwang , et al. July 26, 2 | 2016-07-26 |
| Data Push Service Method And System Using Data Pull Model App 20130110935 - HWANG; Sang-chul ; et al. | 2013-05-02 |
| Data push service method and system using data pull model Grant 8,352,931 - Hwang , et al. January 8, 2 | 2013-01-08 |
| Data push service method and system using data pull model App 20070124422 - Hwang; Sang-chul ; et al. | 2007-05-31 |
| Data transmission system, data transmission method, information processor and pointer App 20050025078 - Hwang, Sang-chul | 2005-02-03 |
| Frame synchronizing apparatus using memory Grant 6,775,263 - Hwang , et al. August 10, 2 | 2004-08-10 |
| Method of preventing unauthorized use of virtual medium image file App 20040111630 - Hwang, Sang-Chul ; et al. | 2004-06-10 |
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