Inventor · disambiguated record
Jianfu Liu
Also filed as: LIU JIANFU
62 granted patents·5 pending applications·430 citations·filing 2006–2023
98Inventor score
Files withCHINA TOBACCO HUNAN IND CO LTD56BOE TECHNOLOGY GROUP CO LTD8CHINA TOBACO HUNAN IND CO LTD1CHINA TOMACCO HUNAN IND CO LTD1LIU JIANFU1
Top patents by PatentIndex Score
67 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
- 0397US10561803B2Ultrasonic atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Feb 18, 2020·64 cites·17 claims
- 0496US11744282B2Electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Sep 5, 2023·21 cites·13 claims
- 0596US11431242B2Oscillation 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
- 0696US11219245B2Cotton-free ultrasonic atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Jan 11, 2022·26 cites·20 claims
- 0796US11039641B2Electronic cigarette atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Jun 22, 2021·28 cites·15 claims
- 0895US11744284B2Ultrasonic electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2018·Granted Sep 5, 2023·22 cites·19 claims
- 0995US11700881B2Ultrasonic liquid electronic cigarette atomizer and ultrasonic liquid electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2018·Granted Jul 18, 2023·20 cites·18 claims
- 1095US11278055B2Ultrasonic electronic cigarette atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2018·Granted Mar 22, 2022·22 cites·19 claims
- 1194US11771137B2Frequency tracking method for ultrasonic electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2019·Granted Oct 3, 2023·20 cites·7 claims
- 1294US11324253B2Disposable cigarette cartridge, atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2017·Granted May 10, 2022·20 cites·24 claims
- 1393US11641876B2Inclined ultrasonic atomizing sheet structure, atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2017·Granted May 9, 2023·15 cites·20 claims
- 1493US11589609B2Circuit for ultrasonic electronic cigarette and ultrasonic electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2018·Granted Feb 28, 2023·21 cites·20 claims
- 1592US11877600B2Atomizer and electronic cigarette thereofCHINA TOBACCO HUNAN IND CO LTD·Filed 2018·Granted Jan 23, 2024·14 cites·20 claims
- 1691US10531687B2Ultrasonic atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Jan 14, 2020·13 cites·17 claims
- 1784US12420302B2Ultrasonic electronic cigarette atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2023·Granted Sep 23, 2025·0 cites·10 claims
- 1883US10492527B2Atomizer of electronic cigarette and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Dec 3, 2019·3 cites·18 claims
- 1980US10874807B2Combined ultrasonic atomizer, atomization method thereof and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Dec 29, 2020·4 cites·20 claims
- 2079US11759817B2Ultrasonic electronic cigarette atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2017·Granted Sep 19, 2023·2 cites·6 claims
- 2178US11039640B2Ultrasonic 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
- 2277US10586484B2Selection and output circuit, and display deviceBOE TECHNOLOGY GROUP CO LTD·Filed 2018·Granted Mar 10, 2020·2 cites·2 claims
- 2376US12022864B2Ultrasonic electronic cigarette atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Jul 2, 2024·2 cites·10 claims
- 2475US12213536B2Electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2023·Granted Feb 4, 2025·0 cites·8 claims
- 2572US8007637B2Method for producing flue-cured type tobacco sheet by papermaking processCHINA TOMACCO HUNAN IND CO LTD·Filed 2006·Granted Aug 30, 2011·11 cites·11 claims
- 2671US11523634B2Ultrasonic electronic cigarette atomizing core and atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Dec 13, 2022·2 cites·16 claims
- 2769US11690401B2Ultrasonic electronic cigarette atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2018·Granted Jul 4, 2023·1 cites·14 claims
- 2869US10716328B2Electronic cigarette atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2016·Granted Jul 21, 2020·1 cites·14 claims
- 2968US11528935B2Obliquely 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
- 3067US11445752B2Ultrasonic electronic cigarette atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2018·Granted Sep 20, 2022·1 cites·20 claims
- 3167US9766851B2Multi-terminal synchronous display method, display apparatus and display apparatus cascading systemBOE TECHNOLOGY GROUP CO LTD·Filed 2013·Granted Sep 19, 2017·1 cites·12 claims
- 3265US10115361B2Display deviceBOE TECHNOLOGY GROUP CO LTD·Filed 2016·Granted Oct 30, 2018·1 cites·11 claims
- 3361US12059034B2Electronic cigarette atomization core and atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Granted Aug 13, 2024·0 cites·18 claims
- 3460US12369627B2Ultrasonic 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
- 3560US12029243B2Ultrasonic atomization core, ultrasonic atomizer, and ultrasonic electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2019·Granted Jul 9, 2024·0 cites·17 claims
- 3660US2023165303A1Ultrasonic atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2021·Application pending·0 cites
- 3759US12137730B2Cooling cigarette filter and smoking productCHINA TOBACCO HUNAN IND CO LTD·Filed 2019·Granted Nov 12, 2024·0 cites·18 claims
- 3859US10795198B2Feedback circuit, heating circuit, display apparatus and display systemBOE TECHNOLOGY GROUP CO LTD·Filed 2017·Granted Oct 6, 2020·1 cites·16 claims
- 3959US2023013741A1Ultrasonic atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Application pending·0 cites
- 4058US12465078B2Electronic cigarette atomizing core and atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Granted Nov 11, 2025·0 cites·10 claims
- 4158US12213524B2Ultrasonic atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Granted Feb 4, 2025·0 cites·7 claims
- 4258US2023020762A1Liquid cartridge assembly for electronic cigarette and atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Application pending·0 cites
- 4357US12178255B2Atomizer for electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Granted Dec 31, 2024·0 cites·13 claims
- 4456US12127586B2Electronic cigarette atomizing core and atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Granted Oct 29, 2024·0 cites·15 claims
- 4556US12075836B2Atomizing sheet assembly, atomizer and electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2019·Granted Sep 3, 2024·0 cites·17 claims
- 4656US2022151301A1Electronic cigarette atomizing core and atomizerCHINA TOBACO HUNAN IND CO LTD·Filed 2020·Application pending·0 cites
- 4755US2023068565A1Low-harm cigarette subjected to smoke enhancementCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Application pending·0 cites
- 4853US12433322B2Water-based electronic cigarette liquidCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Granted Oct 7, 2025·0 cites·28 claims
- 4953US12161166B2Electronic cigarette atomizerCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Granted Dec 10, 2024·0 cites·10 claims
- 5053US11980222B2Ultrasonic atomization sheet and atomizer and ultrasonic electronic cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2019·Granted May 14, 2024·0 cites·20 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
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