Liu; Wen-Tong
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liu; Wen-Tong.The latest application filed is for "keyboard device and operation method thereof".
- Liu; Wen-Tong - Taipei TW
- LIU; Wen-Tong - Taipei City TW
| Patent | Date |
|---|---|
| Keyboard device and operation method thereof Grant 11,048,119 - Chen , et al. June 29, 2 | 2021-06-29 |
| Keyboard apparatus Grant 10,727,866 - Chen , et al. | 2020-07-28 |
| Keyboard Device And Operation Method Thereof App 20200124915 - Chen; Chun-Lin ; et al. | 2020-04-23 |
| Keyboard Apparatus App 20190052285 - Chen; Er-Hao ; et al. | 2019-02-14 |
| Method and system for detecting hidden ghost keys on keyboard matrix Grant 8,749,407 - Liu , et al. June 10, 2 | 2014-06-10 |
| Ghost key detecting circuit and related method Grant 8,314,723 - Huang , et al. November 20, 2 | 2012-11-20 |
| Keyboard control circuit Grant 8,264,384 - Tsao , et al. September 11, 2 | 2012-09-11 |
| Method And System For Detecting Hidden Ghost Keys On Keyboard Matrix App 20100253553 - LIU; Wen-Tong ; et al. | 2010-10-07 |
| Ghost Key Detecting Circuit And Related Method App 20100253554 - Huang; Chiung-Chih ; et al. | 2010-10-07 |
| Keyboard control circuit App 20100073204 - Tsao; Mao-Ta ; et al. | 2010-03-25 |
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