Lee; Eric Heng Chih
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lee; Eric Heng Chih.The latest application filed is for "digital signature of changing signals using feature extraction".
- Lee; Eric Heng Chih - Cerritos CA US
| Patent | Date |
|---|---|
| Method and apparatus for incorporating user interaction based presence in email systems Grant 9,959,526 - Kuhlke , et al. May 1, 2 | 2018-05-01 |
| Digital signature of changing signals using feature extraction Grant 8,280,052 - Chen , et al. October 2, 2 | 2012-10-02 |
| Digital Signature Of Changing Signals Using Feature Extraction App 20100180174 - CHEN; Chin-Ju ; et al. | 2010-07-15 |
| Method And Apparatus For Incorporating User Interaction Based Presence In Email Systems App 20100125636 - Kuhlke; Matthew ; et al. | 2010-05-20 |
| Organization Of A Contact List Based On Social Network Context App 20100082693 - Hugg; Ethan ; et al. | 2010-04-01 |
| Automatic Temporary Address Book App 20100030788 - Chen; Chin-Ju Rex ; et al. | 2010-02-04 |
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