Zhou; Keyong
Patent Applications and Registrations
Patent applications and USPTO patent grants for Zhou; Keyong.The latest application filed is for "speaker".
- Zhou; Keyong - Shenzhen CN
- Zhou; Keyong - Nanjing CN
| Patent | Date |
|---|---|
| Speaker App 20220210571 - Zhou; Keyong ; et al. | 2022-06-30 |
| Speaker App 20220210542 - Zhou; Keyong ; et al. | 2022-06-30 |
| Vibration sounding device Grant 11,212,618 - Yan , et al. December 28, 2 | 2021-12-28 |
| Sounding device Grant 11,159,889 - Yan , et al. October 26, 2 | 2021-10-26 |
| Screen sound generation device Grant 11,109,132 - Yan , et al. August 31, 2 | 2021-08-31 |
| Electromagnetic Driving Device App 20210016321 - Yan; Xudong ; et al. | 2021-01-21 |
| Vibration Sounding Device App 20210021935 - Yan; Xudong ; et al. | 2021-01-21 |
| Sounding Device App 20210006905 - Yan; Xudong ; et al. | 2021-01-07 |
| Screen Sound Generation Device App 20210006880 - Yan; Xudong ; et al. | 2021-01-07 |
| Electromagnetic Actuator App 20200412219 - Zhou; Keyong ; et al. | 2020-12-31 |
| Vibration Exciter App 20200412220 - Yan; Xudong ; et al. | 2020-12-31 |
| Limit switch housing with reset function Grant 9,928,972 - Ou , et al. March 27, 2 | 2018-03-27 |
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