Inventor · Seoul, KR

Yang-Kook Sun

61Patents
9h-index
96Co-inventors
81Inventor score

Filing activity: Dec 2, 1997 → Jul 1, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6268087A Method of preparing lithium ion polymer battery Emerging Cross-Sectional Technologies 57 Expired
US8926860B2 Cathode active material with whole particle concentration gradient for lithium secondary battery, method for preparing the same, and lithium secondary battery having the same Emerging Cross-Sectional Technologies 25 Active
US7674557B2 Electrode active materials for lithium secondary batteries, method for preparing the same, and lithium secondary batteries using the same Emerging Cross-Sectional Technologies 24 Expired
US6071489A Methods of preparing cathode active materials for lithium secondary battery Chemistry; Metallurgy 21 Expired
US8865348B2 Positive active material comprising a continuous concentration gradient of a metal composition for lithium battery, method of preparing the same, and lithium battery including the same Emerging Cross-Sectional Technologies 17 Active
US9463984B2 Cathode active material with whole particle concentration gradient for lithium secondary battery, method for preparing the same, and lithium secondary battery having the same Emerging Cross-Sectional Technologies 13 Active
US9337487B2 Positive electrode active material precursor for lithium secondary battery, positive electrode active material manufactured by using thereof, and lithium secondary battery including same Emerging Cross-Sectional Technologies 10 Active
US9520593B2 Method of preparing cathode active material precursor for lithium rechargeable battery, cathode active material precursor for lithium rechargeable battery prepared thereby, and cathode active material formed using the cathode active material precursor Emerging Cross-Sectional Technologies 10 Active
US10930922B2 Positive electrode active material and secondary battery comprising the same Emerging Cross-Sectional Technologies 9 Active
US9048495B2 Cathode active material coated with flourine compound for lithium secondary batteries and method for preparing the same Emerging Cross-Sectional Technologies 9 Active
US10283757B2 Positive electrode active material precursor for lithium secondary battery, positive electrode active material manufactured by using thereof, and lithium secondary battery including same Emerging Cross-Sectional Technologies 9 Active
US10950856B2 Positive electrode active material precursor for lithium secondary battery, positive electrode active material manufactured by using thereof, and lithium secondary battery including the same Emerging Cross-Sectional Technologies 9 Active
US8765305B2 Cathode active material for lithium secondary battery, process for preparing the same and reactor for use in the same process Emerging Cross-Sectional Technologies 5 Active
US7829045B2 Method for producing lithium composite oxide for use as positive electrode active material for lithium secondary batteries Emerging Cross-Sectional Technologies 3 Active
US8142932B2 Core-shell spinel cathode active materials for lithium secondary batteries, lithium secondary batteries using the same and method for preparing thereof Emerging Cross-Sectional Technologies 2 Active
US8211397B2 Process of precipitation for spheric manganese carbonate and the products produced thereby Chemistry; Metallurgy 2 Active
US11894557B2 Positive active material, method of preparing the same, and lithium secondary battery including the same Emerging Cross-Sectional Technologies 1 Active
US10714747B2 High energy lithium ion secondary battery with improved lifetime and energy density Emerging Cross-Sectional Technologies 1 Active
US8926938B2 Method of preparing crystalline titanium dioxide powder, method of preparing a negative active material, negative active material, and rechargebale lithium battery Emerging Cross-Sectional Technologies 1 Active
US8968941B2 Li-air batteries having ether-based electrolytes Emerging Cross-Sectional Technologies 1 Active
US9728783B2 Cathode active material for lithium secondary battery, method for manufacturing same, and lithium secondary battery including same Emerging Cross-Sectional Technologies 1 Active
US9570746B2 Olivine-type cathode active material precursor for lithium battery, olivine-type cathode active material for lithium battery, method for preparing the same and lithium battery with the same Emerging Cross-Sectional Technologies 1 Active
US9985326B2 Method for manufacturing a lithiated metal-carbon composite electrode, lithiated metal-carbon composite electrode manufactured thereby, and electrochemical device including the electrode Emerging Cross-Sectional Technologies 1 Active
US10490809B2 Positive electrode active material for lithium secondary battery Emerging Cross-Sectional Technologies 1 Active
US9570743B2 Positive active material precursor for rechargeable lithium battery, method of preparing positive active material for rechargeable lithium battery using the same, and rechargeable lithium battery including the prepared positive active material for rechargeable lithium battery Emerging Cross-Sectional Technologies 1 Active

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