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Patent applications and USPTO patent grants for Cao; Guangping.The latest application filed is for "electronic cigarette and cartridge for an electronic cigarette".
Patent | Date |
---|---|
Oscillation control circuit for ultrasonic atomization sheet and ultrasonic electronic cigarette Grant 11,431,242 - Liu , et al. August 30, 2 | 2022-08-30 |
Electronic Cigarette And Cartridge For An Electronic Cigarette App 20220039465 - Du; Kun ;   et al. | 2022-02-10 |
Switch Control Circuit And Switch Control Method For Electronic Cigarette And Electronic Cigarette App 20200060345 - Cao; Guangping ;   et al. | 2020-02-27 |
Oscillation Control Circuit For Ultrasonic Atomization Sheet And Ultrasonic Electronic Cigarette App 20200060337 - LIU; Jianfu ;   et al. | 2020-02-27 |
Self-interference signal cancellation device and method Grant 10,367,542 - Wang , et al. July 30, 2 | 2019-07-30 |
Self-interference Signal Cancellation Device And Method App 20190052304 - WANG; Kan ;   et al. | 2019-02-14 |
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