Inventor
ZHOU YONGQUAN
CN40 patents
⚠️ This page may combine multiple inventors who share the name “ZHOU YONGQUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHINA TOBACCO HUNAN IND CO LTD
31 patentsUS11744284B2Sep 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
US11278055B2Mar 22, 2022
Ultrasonic electronic cigarette atomizer and electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD22 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
US10506827B2Dec 17, 2019
Ultrasonic automization piece, manufacturing method thereof, ultrasonic automizer and electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD44 citations94
US11771137B2Oct 3, 2023
Frequency tracking method for ultrasonic electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD20 citations92
US11641876B2May 9, 2023
Inclined ultrasonic atomizing sheet structure, atomizer and electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD15 citations86
US12022864B2Jul 2, 2024
Ultrasonic electronic cigarette atomizer and electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD2 citations73
US10492527B2Dec 3, 2019
Atomizer of electronic cigarette and electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD3 citations73
US12029243B2Jul 9, 2024
Ultrasonic atomization core, ultrasonic atomizer, and ultrasonic electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD0 citations62
US11690401B2Jul 4, 2023
Ultrasonic electronic cigarette atomizer
CHINA TOBACCO HUNAN IND CO LTD1 citations62
US11445752B2Sep 20, 2022
Ultrasonic electronic cigarette atomizer and electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD1 citations62
US10716328B2Jul 21, 2020
Electronic cigarette atomizer
CHINA TOBACCO HUNAN IND CO LTD1 citations62
US11980222B2May 14, 2024
Ultrasonic atomization sheet and atomizer and ultrasonic electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD0 citations60
US12465078B2Nov 11, 2025
Electronic cigarette atomizing core and atomizer
CHINA TOBACCO HUNAN IND CO LTD0 citations52
US12213524B2Feb 4, 2025
Ultrasonic atomizer
CHINA TOBACCO HUNAN IND CO LTD0 citations52
US12127586B2Oct 29, 2024
Electronic cigarette atomizing core and atomizer
CHINA TOBACCO HUNAN IND CO LTD0 citations52
US12075836B2Sep 3, 2024
Atomizing sheet assembly, atomizer and electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD0 citations52
US12059034B2Aug 13, 2024
Electronic cigarette atomization core and atomizer
CHINA TOBACCO HUNAN IND CO LTD0 citations52
US11930853B2Mar 19, 2024
Electronic cigarette atomizer and electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD0 citations52
US11910834B2Feb 27, 2024
Electronic cigarette atomization core and atomizer
CHINA TOBACCO HUNAN IND CO LTD0 citations52
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
US11154090B2Oct 26, 2021
Ultrasonic electronic cigarette atomization core and atomizer
CHINA TOBACCO HUNAN IND CO LTD0 citations52
US12178255B2Dec 31, 2024
Atomizer for electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD0 citations51
US12161166B2Dec 10, 2024
Electronic cigarette atomizer
CHINA TOBACCO HUNAN IND CO LTD0 citations51
US12096799B2Sep 24, 2024
Electronic cigarette atomizer and electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD0 citations51
US11744293B2Sep 5, 2023
Electronic cigarette
CHINA TOBACCO HUNAN IND CO LTD0 citations51
FEDERAL EXPRESS CORP
6 patentsUS11820574B2Nov 21, 2023
Shipping container and packaging cushion assembly
FEDERAL EXPRESS CORP2 citations73
US9950848B2Apr 24, 2018
Resealable packing-list pouch
FEDERAL EXPRESS CORP2 citations73
US12214950B2Feb 4, 2025
Shipping container and packaging cushion assembly
FEDERAL EXPRESS CORP0 citations62
USD1101557SNov 11, 2025
Packaging for a shipping container
FEDERAL EXPRESS CORP0 citations60
US11709117B2Jul 25, 2023
Testing a shipping package
FEDERAL EXPRESS CORP0 citations52
US10322862B2Jun 18, 2019
Resealable packing-list pouch
FEDERAL EXPRESS CORP0 citations52