Wu; Qichang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wu; Qichang.The latest application filed is for "methods of transmitting and receiving audio-video data and transmission system thereof".
- Wu; Qichang - Hangzhou CN
- Wu; Qichang - Shanghai N/A CN
| Patent | Date |
|---|---|
| Methods of transmitting and receiving audio-video data and transmission system thereof Grant 9,967,517 - Wu , et al. May 8, 2 | 2018-05-08 |
| Class-D audio amplifier Grant 9,955,257 - Zhu , et al. April 24, 2 | 2018-04-24 |
| Methods Of Transmitting And Receiving Audio-video Data And Transmission System Thereof App 20170195622 - Wu; Qichang ; et al. | 2017-07-06 |
| Audio processing devices with port output circuits controlled by PC beep signal activity Grant 9,686,607 - Wu , et al. June 20, 2 | 2017-06-20 |
| Class-d Audio Amplifier App 20170054416 - Zhu; Huaping ; et al. | 2017-02-23 |
| Overclocking with phase selection Grant 8,085,070 - Wu , et al. December 27, 2 | 2011-12-27 |
| Digital spread spectrum method based on precise phase delta-sigma algorithm Grant 8,009,719 - Shao , et al. August 30, 2 | 2011-08-30 |
| Overclocking With Phase Selection App 20090160509 - WU; QICHANG ; et al. | 2009-06-25 |
| Digital spread spectrum method based on precise phase delta-sigma algorithm App 20090086875 - Shao; Zhuyan ; et al. | 2009-04-02 |
| SEC | 0001513083 | Wu Qichang |
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