Chang; Kenneth N.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Kenneth N..The latest application filed is for "user supplied and refined tags".
- Chang; Kenneth N. - San Jose CA
| Patent | Date |
|---|---|
| User supplied and refined tags Grant 8,566,177 - Chang , et al. October 22, 2 | 2013-10-22 |
| User Supplied And Refined Tags App 20130024329 - Chang; Kenneth N. ; et al. | 2013-01-24 |
| Recommended systems Grant 8,312,036 - Chang , et al. November 13, 2 | 2012-11-13 |
| User supplied and refined tags Grant 8,275,666 - Chang , et al. September 25, 2 | 2012-09-25 |
| Head-to-head comparisons Grant 8,117,228 - Chang , et al. February 14, 2 | 2012-02-14 |
| Head-to-head Comparisons App 20110238699 - Chang; Kenneth N. ; et al. | 2011-09-29 |
| Head-to-head comparisons Grant 7,979,462 - Chang , et al. July 12, 2 | 2011-07-12 |
| User supplied and refined tags App 20080091549 - Chang; Kenneth N. ; et al. | 2008-04-17 |
| Head-to-head comparisons App 20080082479 - Chang; Kenneth N. ; et al. | 2008-04-03 |
| Recommended systems App 20080082565 - Chang; Kenneth N. ; et al. | 2008-04-03 |
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