Zhen; Qihui
Patent Applications and Registrations
Patent applications and USPTO patent grants for Zhen; Qihui.The latest application filed is for "inductive magnetic sensor and electromagnetic prospecting equipment".
- Zhen; Qihui - Beijing CN
| Patent | Date |
|---|---|
| CSAMT transmitter Grant 11,201,606 - Di , et al. December 14, 2 | 2021-12-14 |
| Inductive Magnetic Sensor And Electromagnetic Prospecting Equipment App 20210088689 - DI; QINGYUN ; et al. | 2021-03-25 |
| All-band Magnetic Sensor App 20210088604 - DI; Qingyun ; et al. | 2021-03-25 |
| Receiving Compensation Apparatus For Airborne Transient Electromagnetic Method App 20200400854 - DI; Qingyun ; et al. | 2020-12-24 |
| Csamt Transmitter App 20200280304 - DI; QINGYUN ; et al. | 2020-09-03 |
| Soft-switching control circuit of boost-type PFC converter Grant 10,186,957 - Zhen , et al. Ja | 2019-01-22 |
| Soft-switching Control Circuit Of Boost-type Pfc Converter App 20180278153 - Zhen; Qihui ; et al. | 2018-09-27 |
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