Inventor · Seoul, KR

Hong-Kyu Park

139Patents
14h-index
172Co-inventors
89Inventor score

Filing activity: Jun 19, 1996 → Mar 28, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
USD716759S1 Bluetooth headset General 189 Active
USD581385S1 Cellular phone General 85 Expired
USD720712S1 Mobile phone General 42 Active
USD675589S1 Mobile phone General 38 Active
USD676008S1 Mobile phone General 38 Active
USD567792S1 Mobile phone General 36 Expired
USD580905S1 Cellular phone General 33 Expired
USD533160S1 Cellular phone General 32 Expired
US7364793B2 Powdered lithium transition metal oxide having doped interface layer and outer layer and method for preparation of the same Emerging Cross-Sectional Technologies 26 Expired
US7235193B2 Complex lithium metal oxides with enhanced cycle life and safety and a process for preparation thereof Emerging Cross-Sectional Technologies 24 Expired
US7648693B2 Ni-based lithium transition metal oxide Emerging Cross-Sectional Technologies 19 Active
USD538772S1 Cellular phone General 18 Expired
US7056486B2 Method for preparing lithium manganese spinel complex oxide having improved electrochemical performance Emerging Cross-Sectional Technologies 14 Expired
US7771877B2 Electrode active material powder with size dependent composition and method to prepare the same Emerging Cross-Sectional Technologies 14 Active
US8268198B2 Precursor for preparation of lithium transition metal oxide Emerging Cross-Sectional Technologies 12 Active
US7931979B2 Battery system containing phase change material-containing capsules in interior configuration thereof Emerging Cross-Sectional Technologies 10 Active
US8026008B2 Lithium secondary battery with improved cell characteristics Emerging Cross-Sectional Technologies 10 Active
US5846511A Process for preparing crystalline titania powders from a solution of titanium salt in a mixed solvent of water and alcohol Chemistry; Metallurgy 9 Expired
US9065135B2 Cathode active material for secondary battery and lithium secondary battery including the same Emerging Cross-Sectional Technologies 9 Active
US7883644B2 Stoichiometric lithium cobalt oxide and method for preparation of the same Emerging Cross-Sectional Technologies 8 Active
US8394299B2 Precursor for the preparation of a lithium composite transition metal oxide Emerging Cross-Sectional Technologies 8 Active
USD576131S1 Cellular phone General 7 Expired
US7709149B2 Composite precursor for aluminum-containing lithium transition metal oxide and process for preparation of the same Emerging Cross-Sectional Technologies 7 Active
US9722246B2 Method of preparing inorganic particles and inorganic particles prepared using the same Emerging Cross-Sectional Technologies 6 Active
US7935444B2 Cathode active material for lithium secondary battery Emerging Cross-Sectional Technologies 6 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.