Inventor · disambiguated record
Qifeng Li
Also filed as: LI QIFENG
16 granted patents·8 pending applications·73 citations·filing 2008–2024
88Inventor score
Files withCHENGDU BOE OPTOELECT TECH CO5CONTEMPORARY AMPEREX TECHNOLOGY CO LTD4CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD3KONG JING3BYD CO LTD2
Top patents by PatentIndex Score
24 records- 0193US8115744B2Multi-point touch-sensitive systemKONG JING·Filed 2008·Granted Feb 14, 2012·61 cites·20 claims
- 0286US2025087686A1Positive electrode active material, positive electrode plate, lithium-ion secondary battery, and apparatusCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2024·Application pending·0 cites
- 0381US12300816B2Positive electrode active material, positive electrode plate, lithium-ion secondary battery, and apparatusCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2023·Granted May 13, 2025·0 cites·19 claims
- 0479US11127356B2Method for compensating brightness unevenness of a display device and related display deviceCHENGDU BOE OPTOELECT TECH CO·Filed 2019·Granted Sep 21, 2021·2 cites·18 claims
- 0578US12225700B2Display panel, display module and communication deviceCHENGDU BOE OPTOELECT TECH CO·Filed 2024·Granted Feb 11, 2025·0 cites·13 claims
- 0675US2025079539A1Battery cell management chip, and battery system and vehicleBYD CO LTD·Filed 2024·Application pending·0 cites
- 0774US12176534B2Positive electrode active material, positive electrode plate, lithium-ion secondary battery, and apparatusCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2021·Granted Dec 24, 2024·0 cites·19 claims
- 0874US11677074B2Positive electrode plate, method for preparing the same and lithium-ion secondary batteryCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2021·Granted Jun 13, 2023·0 cites·19 claims
- 0972US11121369B2Positive electrode plate, method for preparing the same and lithium-ion secondary batteryCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2019·Granted Sep 14, 2021·0 cites·14 claims
- 1071US8139040B2Method of operating a multi-point touch-sensitive systemKONG JING·Filed 2008·Granted Mar 20, 2012·6 cites·20 claims
- 1167US8106891B2Multi-point touch-sensitive deviceKONG JING·Filed 2008·Granted Jan 31, 2012·4 cites·20 claims
- 1265US11929492B2Lithium-ion secondary battery and related preparation method thereof, battery module, battery pack and apparatusCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2021·Granted Mar 12, 2024·0 cites·15 claims
- 1362US12221756B1Dredging and drainage structure for irrigation areaZHEJIANG INST OF HYDRAULICS & ESTUARY ZHEJIANG INST OF MARINE PLANNING AND DESIGN·Filed 2024·Granted Feb 11, 2025·0 cites·8 claims
- 1462US2025118814A1Battery management chip and system, and vehicleBYD CO LTD·Filed 2024·Application pending·0 cites
- 1560US2025219552A1System and method for blended integral-proportional/proportional-integral (ippi) controllers for voltage source convertersUNIV CENTRAL FLORIDA RES FOUND INC·Filed 2024·Application pending·0 cites
- 1659US10290865B2Positive electrode material for Li-ion battery, method for preparing the same, and Li-ion power battery containing the sameCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2017·Granted May 14, 2019·0 cites·10 claims
- 1754US11925010B2Display panel, display module and manufacture method thereof, and communication deviceCHENGDU BOE OPTOELECT TECH CO·Filed 2019·Granted Mar 5, 2024·0 cites·16 claims
- 1852US2013244867A1Catalyst for producing n-substituted carbamates, and the preparation and application of the sameWERSHOFEN STEFAN·Filed 2013·Application pending·0 cites
- 1949US8450516B2Catalyst for producing N-substituted carbamates, and the preparation and application of the sameWERSHOFEN STEFAN·Filed 2010·Granted May 28, 2013·0 cites·11 claims
- 2047US10901144B2Light guiding structure, display device and method of using the sameCHENGDU BOE OPTOELECT TECH CO·Filed 2019·Granted Jan 26, 2021·0 cites·20 claims
- 2147US2024354873A1Initial allocation optimization method of water rights based on regret theoryZHEJIANG INST HYDRAULICS & ESTUARY·Filed 2024·Application pending·0 cites
- 2246US12211126B2Run-length stripping method for generating skeleton lines of complex plain river networksZHEJIANG INST OF HYDRAULICS & ESTUARY ZHEJIANG INST OF MARINE PLANNING AND DESIGN·Filed 2024·Granted Jan 28, 2025·0 cites·10 claims
- 2345US2020167544A1Lines unlocking method, a lines unlocking system, and a display deviceCHENGDU BOE OPTOELECT TECH CO·Filed 2019·Application pending·0 cites
- 2431US2017033354A1Positive electrode material, method for preparing the same and li-ion battery containing the positive electrode materialNINGDE CONTEMPORARY AMPEREX TECH LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →