Inventor
DAI YUANGANG
CN31 patents
Patents
31 patentsUS10561803B2Feb 18, 2020
Ultrasonic atomizer and electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD64 citations97
US11744282B2Sep 5, 2023
Electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD21 citations94
US11744284B2Sep 5, 2023
Ultrasonic electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD22 citations94
US11700881B2Jul 18, 2023
Ultrasonic liquid electronic cigarette atomizer and ultrasonic liquid electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD20 citations94
US11324253B2May 10, 2022
Disposable cigarette cartridge, atomizer and electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD20 citations94
US11219245B2Jan 11, 2022
Cotton-free ultrasonic atomizer and electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD26 citations94
US11039641B2Jun 22, 2021
Electronic cigarette atomizer
CHINA TOBACCO HUNAN IND CO LTD28 citations94
US10757971B2Sep 1, 2020
Atomizer of electronic cigarette with ultrasonic atomization piece
CHINA TOBACCO HUNAN IND CO LTD22 citations94
US10506827B2Dec 17, 2019
Ultrasonic automization piece, manufacturing method thereof, ultrasonic automizer and electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD44 citations94
US11431242B2Aug 30, 2022
Oscillation control circuit for ultrasonic atomization sheet and ultrasonic electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD22 citations93
US11877600B2Jan 23, 2024
Atomizer and electronic cigarette thereof
CHINA TOBACCO HUNAN IND CO LTD14 citations86
US11641876B2May 9, 2023
Inclined ultrasonic atomizing sheet structure, atomizer and electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD15 citations86
US10531687B2Jan 14, 2020
Ultrasonic atomizer and electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD13 citations85
US12022864B2Jul 2, 2024
Ultrasonic electronic cigarette atomizer and electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD2 citations73
US11759817B2Sep 19, 2023
Ultrasonic electronic cigarette atomizer
CHINA TOBACCO HUNAN IND CO LTD2 citations73
US11523634B2Dec 13, 2022
Ultrasonic electronic cigarette atomizing core and atomizer
CHINA TOBACCO HUNAN IND CO LTD2 citations73
US11039640B2Jun 22, 2021
Ultrasonic atomization piece, electronic cigarette atomization core and electronic cigarette atomizer
CHINA TOBACCO HUNAN IND CO LTD3 citations73
US10874807B2Dec 29, 2020
Combined ultrasonic atomizer, atomization method thereof and electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD4 citations73
US10492527B2Dec 3, 2019
Atomizer of electronic cigarette and electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD3 citations73
US12213536B2Feb 4, 2025
Electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD0 citations62
US11690401B2Jul 4, 2023
Ultrasonic electronic cigarette atomizer
CHINA TOBACCO HUNAN IND CO LTD1 citations62
US11528935B2Dec 20, 2022
Obliquely arranged ultrasonic atomization sheet of an atomizer in an electronic cigarette housing
CHINA TOBACCO HUNAN IND CO LTD1 citations62
US10716328B2Jul 21, 2020
Electronic cigarette atomizer
CHINA TOBACCO HUNAN IND CO LTD1 citations62
US12420302B2Sep 23, 2025
Ultrasonic electronic cigarette atomizer
CHINA TOBACCO HUNAN IND CO LTD0 citations60
US11805814B2Nov 7, 2023
High efficiency atomizer and electronic cigarette thereof
CHINA TOBACCO HUNAN IND CO LTD0 citations52
US11622576B2Apr 11, 2023
Electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD0 citations52
US11439180B2Sep 13, 2022
Ultrasonic electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD0 citations52
US11375750B2Jul 5, 2022
Atomizer and electronic cigarette thereof
CHINA TOBACCO HUNAN IND CO LTD0 citations52
US11369140B2Jun 28, 2022
Ultrasonic electronic cigarette atomizer with liquid leakage prevention
CHINA TOBACCO HUNAN IND CO LTD0 citations52
US11154090B2Oct 26, 2021
Ultrasonic electronic cigarette atomization core and atomizer
CHINA TOBACCO HUNAN IND CO LTD0 citations52
US11744293B2Sep 5, 2023
Electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD0 citations51