BAI; Zhiyong
Patent Applications and Registrations
Patent applications and USPTO patent grants for BAI; Zhiyong.The latest application filed is for "chiral fiber grating-based polarization-independent orbital angular momentum modulator, preparation method therefor, and orbital angular momentum beam generator".
- BAI; Zhiyong - Shenzhen CN
- Bai; Zhiyong - Beijing CN
| Patent | Date |
|---|---|
| Chiral Fiber Grating-based Polarization-independent Orbital Angular Momentum Modulator, Preparation Method Therefor, And Orbital Angular Momentum Beam Generator App 20220026630 - BAI; Zhiyong ; et al. | 2022-01-27 |
| Method and device for determining service area Grant 9,998,861 - Bai , et al. June 12, 2 | 2018-06-12 |
| Method And Device For Determining Service Area App 20170188190 - BAI; Zhiyong ; et al. | 2017-06-29 |
| Method and device for identifying telephone call Grant 9,521,251 - Liu , et al. December 13, 2 | 2016-12-13 |
| Method And Device For Identifying Telephone Call App 20160021244 - LIU; Yuxiang ; et al. | 2016-01-21 |
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