Inventor · disambiguated record
Jianhua Yi
Also filed as: YI JIANHUA
53 granted patents·6 pending applications·358 citations·filing 2011–2023
98Inventor score
Top patents by PatentIndex Score
59 records- 0198US10757971B2Atomizer of electronic cigarette with ultrasonic atomization pieceCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Sep 1, 2020·22 cites·23 claims
- 0298US10506827B2Ultrasonic automization piece, manufacturing method thereof, ultrasonic automizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Dec 17, 2019·44 cites·18 claims
- 0396US11744282B2Electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Sep 5, 2023·21 cites·13 claims
- 0496US11431242B2Oscillation control circuit for ultrasonic atomization sheet and ultrasonic electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2018·Granted Aug 30, 2022·22 cites·19 claims
- 0596US11219245B2Cotton-free ultrasonic atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Jan 11, 2022·26 cites·20 claims
- 0696US11039641B2Electronic cigarette atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Jun 22, 2021·28 cites·15 claims
- 0795US11744284B2Ultrasonic electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2018·Granted Sep 5, 2023·22 cites·19 claims
- 0895US11700881B2Ultrasonic liquid electronic cigarette atomizer and ultrasonic liquid electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2018·Granted Jul 18, 2023·20 cites·18 claims
- 0995US11278055B2Ultrasonic electronic cigarette atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2018·Granted Mar 22, 2022·22 cites·19 claims
- 1094US11771137B2Frequency tracking method for ultrasonic electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2019·Granted Oct 3, 2023·20 cites·7 claims
- 1194US11324253B2Disposable cigarette cartridge, atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2017·Granted May 10, 2022·20 cites·24 claims
- 1293US11641876B2Inclined ultrasonic atomizing sheet structure, atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2017·Granted May 9, 2023·15 cites·20 claims
- 1393US11589609B2Circuit for ultrasonic electronic cigarette and ultrasonic electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2018·Granted Feb 28, 2023·21 cites·20 claims
- 1492US11877600B2Atomizer and electronic cigarette thereofCHINA TOBACCO HUNAN IND CO LTD·Filed 2018·Granted Jan 23, 2024·14 cites·20 claims
- 1591US10531687B2Ultrasonic atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Jan 14, 2020·13 cites·17 claims
- 1684US12420302B2Ultrasonic electronic cigarette atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2023·Granted Sep 23, 2025·0 cites·10 claims
- 1783US10492527B2Atomizer of electronic cigarette and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Dec 3, 2019·3 cites·18 claims
- 1880US10874807B2Combined ultrasonic atomizer, atomization method thereof and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Dec 29, 2020·4 cites·20 claims
- 1979US11759817B2Ultrasonic electronic cigarette atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2017·Granted Sep 19, 2023·2 cites·6 claims
- 2078US11039640B2Ultrasonic atomization piece, electronic cigarette atomization core and electronic cigarette atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Jun 22, 2021·3 cites·16 claims
- 2176US12022864B2Ultrasonic electronic cigarette atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Jul 2, 2024·2 cites·10 claims
- 2275US12213536B2Electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2023·Granted Feb 4, 2025·0 cites·8 claims
- 2372US8215141B2Code changing mechanism for a mechanical combination lockYI JIANHUA·Filed 2011·Granted Jul 10, 2012·8 cites·4 claims
- 2471US11523634B2Ultrasonic electronic cigarette atomizing core and atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Dec 13, 2022·2 cites·16 claims
- 2569US11690401B2Ultrasonic electronic cigarette atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2018·Granted Jul 4, 2023·1 cites·14 claims
- 2669US10716328B2Electronic cigarette atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Jul 21, 2020·1 cites·14 claims
- 2768US11528935B2Obliquely arranged ultrasonic atomization sheet of an atomizer in an electronic cigarette housingCHINA TOBACCO HUNAN IND CO LTD·Filed 2018·Granted Dec 20, 2022·1 cites·20 claims
- 2867US11445752B2Ultrasonic electronic cigarette atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2018·Granted Sep 20, 2022·1 cites·20 claims
- 2961US12059034B2Electronic cigarette atomization core and atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Granted Aug 13, 2024·0 cites·18 claims
- 3060US12369627B2Ultrasonic atomizing sheet full-wave drive circuit and ultrasonic electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Granted Jul 29, 2025·0 cites·18 claims
- 3160US12029243B2Ultrasonic atomization core, ultrasonic atomizer, and ultrasonic electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2019·Granted Jul 9, 2024·0 cites·17 claims
- 3260US2023165303A1Ultrasonic atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2021·Application pending·0 cites
- 3359US12137730B2Cooling cigarette filter and smoking productCHINA TOBACCO HUNAN IND CO LTD·Filed 2019·Granted Nov 12, 2024·0 cites·18 claims
- 3459US2023013741A1Ultrasonic atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Application pending·0 cites
- 3558US12465078B2Electronic cigarette atomizing core and atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Granted Nov 11, 2025·0 cites·10 claims
- 3658US12213524B2Ultrasonic atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Granted Feb 4, 2025·0 cites·7 claims
- 3758US2023020762A1Liquid cartridge assembly for electronic cigarette and atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Application pending·0 cites
- 3857US12178255B2Atomizer for electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Granted Dec 31, 2024·0 cites·13 claims
- 3956US12127586B2Electronic cigarette atomizing core and atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Granted Oct 29, 2024·0 cites·15 claims
- 4056US12075836B2Atomizing sheet assembly, atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2019·Granted Sep 3, 2024·0 cites·17 claims
- 4156US2022151301A1Electronic cigarette atomizing core and atomizerCHINA TOBACO HUNAN IND CO LTD·Filed 2020·Application pending·0 cites
- 4255US2023068565A1Low-harm cigarette subjected to smoke enhancementCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Application pending·0 cites
- 4353US12433322B2Water-based electronic cigarette liquidCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Granted Oct 7, 2025·0 cites·28 claims
- 4453US12161166B2Electronic cigarette atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Granted Dec 10, 2024·0 cites·10 claims
- 4553US11980222B2Ultrasonic atomization sheet and atomizer and ultrasonic electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2019·Granted May 14, 2024·0 cites·20 claims
- 4652US11910834B2Electronic cigarette atomization core and atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2019·Granted Feb 27, 2024·0 cites·20 claims
- 4750US11980233B2Working control circuit for ultrasonic atomizer and ultrasonic electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2019·Granted May 14, 2024·0 cites·12 claims
- 4850US11871791B2Atomizer and electronic cigarette with an air input amount adjustable by rotating a mouthpieceCHINA TOBACCO HUNAN IND CO LTD·Filed 2019·Granted Jan 16, 2024·0 cites·20 claims
- 4949US11744293B2Electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2018·Granted Sep 5, 2023·0 cites·19 claims
- 5049US11439180B2Ultrasonic electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2018·Granted Sep 13, 2022·0 cites·20 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
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