Zhang; Guqing
Patent Applications and Registrations
Patent applications and USPTO patent grants for Zhang; Guqing.The latest application filed is for "sound generating device".
- Zhang; Guqing - Shenzhen CN
| Patent | Date |
|---|---|
| Sound generating device Grant 11,290,806 - Meng , et al. March 29, 2 | 2022-03-29 |
| Loudspeaker Grant 11,245,978 - Zhang February 8, 2 | 2022-02-08 |
| Sound generating device Grant 11,197,089 - Meng , et al. December 7, 2 | 2021-12-07 |
| Speaker Grant 11,057,712 - Zhang July 6, 2 | 2021-07-06 |
| Electroacoustic sound generator Grant 11,032,648 - Zhang June 8, 2 | 2021-06-08 |
| Sound generating device App 20210112332 - Meng; Yiming ; et al. | 2021-04-15 |
| Sound Generating Device App 20210112333 - Meng; Yiming ; et al. | 2021-04-15 |
| Speaker with holder having engaging groove Grant 10,979,818 - Zhang , et al. April 13, 2 | 2021-04-13 |
| Speaker Grant 10,932,055 - Zhang February 23, 2 | 2021-02-23 |
| Speaker Grant 10,932,057 - Zhang February 23, 2 | 2021-02-23 |
| Loudspeaker App 20200413184 - Zhang; Guqing | 2020-12-31 |
| Speaker Grant 10,869,132 - Zhang December 15, 2 | 2020-12-15 |
| Speaker Grant 10,869,136 - Zhang December 15, 2 | 2020-12-15 |
| Speaker Grant 10,820,114 - Zhang , et al. October 27, 2 | 2020-10-27 |
| Speaker Grant 10,820,108 - Zhang , et al. October 27, 2 | 2020-10-27 |
| Speaker Grant 10,820,115 - Zhang October 27, 2 | 2020-10-27 |
| Speaker Grant 10,764,688 - Zhang Sep | 2020-09-01 |
| Speaker Grant 10,764,686 - Zhang Sep | 2020-09-01 |
| Speaker Grant 10,750,289 - Zhang A | 2020-08-18 |
| Speaker App 20200213762 - Zhang; Guqing | 2020-07-02 |
| Electroacoustic Sound Generator App 20200154210 - Zhang; Guqing | 2020-05-14 |
| Speaker Grant 10,602,278 - Zhang | 2020-03-24 |
| Speaker App 20200068314 - Zhang; Guqing | 2020-02-27 |
| Speaker App 20200045456 - Zhang; Guqing | 2020-02-06 |
| Speaker App 20200045461 - Zhang; Guqing | 2020-02-06 |
| Speaker App 20200045469 - Zhang; Guqing ; et al. | 2020-02-06 |
| Speaker App 20200045436 - Zhang; Guqing | 2020-02-06 |
| Speaker App 20200045431 - Zhang; Guqing | 2020-02-06 |
| Speaker App 20200045472 - Zhang; Guqing | 2020-02-06 |
| Speaker App 20200045470 - Zhang; Guqing ; et al. | 2020-02-06 |
| Speaker App 20200045447 - Zhang; Guqing | 2020-02-06 |
| Speaker App 20200045473 - Zhang; Guqing | 2020-02-06 |
| Speaker App 20200045449 - Zhang; Guqing ; et al. | 2020-02-06 |
| Spring sheet, electroacoustic device, and electronic device Grant 10,382,850 - Zhang A | 2019-08-13 |
| Speaker App 20190246212 - Zhang; Guqing | 2019-08-08 |
| Spring Sheet, Electroacoustic Device, And Electronic Device App 20180343508 - Zhang; Guqing | 2018-11-29 |
| Multifunctional speaker Grant 10,080,081 - Zhang September 18, 2 | 2018-09-18 |
| Electromagnetic transducer having a suspending ring disposed for increased vibrating space Grant 9,820,054 - Zhang , et al. November 14, 2 | 2017-11-14 |
| Speaker App 20170034626 - Zhang; Guqing ; et al. | 2017-02-02 |
| Electromagnetic transducer Grant 9,456,280 - Zhang , et al. September 27, 2 | 2016-09-27 |
| Miniature speaker Grant 9,277,326 - Meng , et al. March 1, 2 | 2016-03-01 |
| Electromagnetic Transducer App 20150188398 - Zhang; Guqing ; et al. | 2015-07-02 |
| Electromagnetic Transducer App 20150189442 - Zhang; Guqing ; et al. | 2015-07-02 |
| Miniature Speaker App 20150163597 - Meng; Yiming ; et al. | 2015-06-11 |
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