Inventor · disambiguated record
Qingyan Ma
Also filed as: MA QINGYAN
4 granted patents·14 pending applications·1 citations·filing 2022–2024
55Inventor score
Top patents by PatentIndex Score
18 records- 0193US12100834B2Positive electrode active material, method for preparation thereof, positive electrode plate, secondary battery and electrical device containing the sameCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2024·Granted Sep 24, 2024·1 cites·23 claims
- 0276US12230791B2Positive electrode active material, method for the preparation thereof, positive electrode plate, secondary battery and electrical device containing the sameCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2024·Granted Feb 18, 2025·0 cites·24 claims
- 0373US2025079467A1Positive electrode material composition, method for the preparation thereof, positive electrode plate, secondary battery and electrical device containing the sameCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2024·Application pending·0 cites
- 0472US11916229B2Positive electrode active material and preparation method therefor, positive electrode plate containing same, secondary battery, and power consuming deviceCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2023·Granted Feb 27, 2024·0 cites·20 claims
- 0572US2024332515A1Positive electrode active material, method for the preparation thereof, positive electrode plate, secondary battery and electrical device containing the sameCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2024·Application pending·0 cites
- 0672US2024396025A1Positive electrode material composition, method for the prepartion thereof, positive electrode plate, secondary battery and electrical device containing the sameCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2024·Application pending·0 cites
- 0772US2024372087A1Positive electrode material composition, method for preparation thereof, positive electrode plate, secondary battery and electrical deviceCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2024·Application pending·0 cites
- 0871US2025079520A1Electrolyte solution for sodium-ion battery, secondary battery, battery module, battery pack, and electrical apparatusCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2024·Application pending·0 cites
- 0971US2024239685A1Positive electrode active material, method for the preparation thereof, positive electrode plate, secondary battery and electrical device containing the sameCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2024·Application pending·0 cites
- 1071US2025079521A1Sodium-ion battery electrolytic solution, sodium-ion battery including same, and electrical deviceCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2024·Application pending·0 cites
- 1170US2024413408A1Secondary battery, battery module, battery pack, and electric deviceCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2024·Application pending·0 cites
- 1270US2024413399A1Secondary battery, battery module, battery pack, and electric deviceCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2024·Application pending·0 cites
- 1369US2023420661A1Negative electrode active material and preparation method thereof, as well as secondary battery having the sameCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2023·Application pending·0 cites
- 1468US2023343938A1Positive electrode active material and preparation method therefor, positive electrode plate comprising same, secondary battery, and power consuming deviceCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2023·Application pending·0 cites
- 1567US2023352674A1Positive electrode active material and preparation method therefor, positive electrode plate comprising same, secondary battery, and power consuming deviceCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2023·Application pending·0 cites
- 1667US2023327091A1Positive electrode active material, a preparation method therefor, and a positive electrode plate, a secondary battery and a power consuming device containing the sameCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2023·Application pending·0 cites
- 1764US12394782B2Silicon carbon negative electrode material, negative electrode sheet, secondary battery, battery module, battery pack and power consumption apparatusCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2022·Granted Aug 19, 2025·0 cites·4 claims
- 1860US2023163284A1Modified silicon material and preparation method thereof, negative electrode materialCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2023·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →