Assignee
TANAKA CHEMICAL CORP
JP·7 granted patents·30 pending applications·75 citations·filing 1997–2025
Top patents by PatentIndex Score
37 records- 0182US7407521B2Process for producing nickel oxyhydroxide by electrolytic oxidationTANAKA CHEMICAL CORP·Filed 2003·Granted Aug 5, 2008·28 cites·2 claims
- 0281US10297824B2Positive electrode active material for lithium secondary battery, positive electrode, and secondary batteryTANAKA CHEMICAL CORP·Filed 2014·Granted May 21, 2019·3 cites·14 claims
- 0381US7585435B2High density cobalt-manganese coprecipitated nickel hydroxide and process for its productionTANAKA CHEMICAL CORP·Filed 2005·Granted Sep 8, 2009·5 cites·10 claims
- 0476US2025051181A1Precursor for lithium secondary battery positive electrode active materials, method for producing precursor for lithium secondary battery positive electrode active materials, and method for producing lithium composite metal compoundTANAKA CHEMICAL CORP·Filed 2024·Application pending·0 cites
- 0573US2025309255A1Nickel-containing hydroxide coated with cobalt and method for producing nickel-containing hydroxide coated with cobaltTANAKA CHEMICAL CORP·Filed 2025·Application pending·0 cites
- 0672US2025304465A1Nickel-containing hydroxide and positive electrode active material with nickel-containing hydroxide as precursorTANAKA CHEMICAL CORP·Filed 2025·Application pending·0 cites
- 0770US2024308872A1Transition metal-containing hydroxide, positive electrode active material using transition metal-containing hydroxide as precursor, and method for producing transition metal-containing hydroxideTANAKA CHEMICAL CORP·Filed 2024·Application pending·0 cites
- 0868US2024313216A1Transition metal-containing hydroxide and positive electrode active material for which transition metal-containing hydroxide is used as precursorTANAKA CHEMICAL CORP·Filed 2024·Application pending·0 cites
- 0968US2026015253A1Metal composite compound and method for producing positive electrode active material for lithium secondary batteryTANAKA CHEMICAL CORP·Filed 2023·Application pending·0 cites
- 1068US2025296851A1Metal composite compound and method of producing positive electrode active material for lithium secondary batteryTANAKA CHEMICAL CORP·Filed 2025·Application pending·0 cites
- 1168US2026062313A1Nickel-containing hydroxide, cathode active material with nickel-containing hydroxide as precursor, and method for producing nickel-containing hydroxideTANAKA CHEMICAL CORP·Filed 2025·Application pending·0 cites
- 1268US2026062314A1Metal composite compound and cathode active material with metal composite compound as precursorTANAKA CHEMICAL CORP·Filed 2025·Application pending·0 cites
- 1367US6040007ANickel hydroxide particles having an α- or β-cobalt hydroxide coating layer for use in alkali batteries and a process for producing the nickel hydroxideTANAKA CHEMICAL CORP·Filed 1997·Granted Mar 21, 2000·35 cites·2 claims
- 1466US2026028243A1Metal composite hydroxide and method for producing positive electrode active material for lithium secondary batteryTANAKA CHEMICAL CORP·Filed 2023·Application pending·0 cites
- 1565US2026008698A1Metal composite compound, method for producing metal composite compound, and method for producing positive electrode active material for lithium secondary batteryTANAKA CHEMICAL CORP·Filed 2023·Application pending·0 cites
- 1664US2023339775A1Nickel-containing hydroxide, positive electrode active material using nickel-containing hydroxide as precursor, and method producing nickel-containing hydroxideTANAKA CHEMICAL CORP·Filed 2023·Application pending·0 cites
- 1763US2024010517A1Method of manufacturing composite hydroxide and composite hydroxideTANAKA CHEMICAL CORP·Filed 2022·Application pending·0 cites
- 1862US2026078016A1Metal composite compoundTANAKA CHEMICAL CORP·Filed 2025·Application pending·0 cites
- 1962US2026078017A1Metal composite compoundTANAKA CHEMICAL CORP·Filed 2025·Application pending·0 cites
- 2061US7585432B2High density cobalt-manganese coprecipitated nickel hydroxide and process for its productionTANAKA CHEMICAL CORP·Filed 2004·Granted Sep 8, 2009·4 cites·7 claims
- 2158US12401032B2Nickel composite hydroxide, positive electrode active material using nickel composite hydroxide as precursor, and methods for producing the sameTANAKA CHEMICAL CORP·Filed 2022·Granted Aug 26, 2025·0 cites·16 claims
- 2257US2024038980A1Positive electrode material for nickel hydrogen secondary battery and method for producing positive electrode material for nickel hydrogen secondary batteryTANAKA CHEMICAL CORP·Filed 2023·Application pending·0 cites
- 2357US2022158184A1Nickel composite hydroxide particles, positive electrode active material using nickel composite hydroxide particles as precursors, and method for producing the sameTANAKA CHEMICAL CORP·Filed 2022·Application pending·0 cites
- 2456US2021210757A1Positive electrode active material for secondary batteries and method for producing the sameTANAKA CHEMICAL CORP·Filed 2021·Application pending·0 cites
- 2556US2022158183A1Nickel composite hydroxide, positive electrode active material using nickel composite hydroxide as precursor, and method for producing the sameTANAKA CHEMICAL CORP·Filed 2022·Application pending·0 cites
- 2655US2021175502A1Positive electrode active material particle for secondary battery and method for producing positive electrode active material particle for secondary batteryTANAKA CHEMICAL CORP·Filed 2021·Application pending·0 cites
- 2754US2021328216A1Composite hydroxide small particle for non-aqueous electrolyte secondary batteryTANAKA CHEMICAL CORP·Filed 2021·Application pending·0 cites
- 2853US2021155500A1Method for producing purified lithium compound and method for producing lithium transition metal composite oxideTANAKA CHEMICAL CORP·Filed 2021·Application pending·0 cites
- 2953US2022144664A1Nickel composite hydroxide and positive electrode active material using nickel composite hydroxide as precursorTANAKA CHEMICAL CORP·Filed 2022·Application pending·0 cites
- 3049US11646414B2Positive electrode active material for alkaline storage battery, and method for producing positive electrode active material for alkaline storage batteryTANAKA CHEMICAL CORP·Filed 2018·Granted May 9, 2023·0 cites·6 claims
- 3149US2025368538A1Metal composite compound and cathode active material including metal composite compound as precursorTANAKA CHEMICAL CORP·Filed 2025·Application pending·0 cites
- 3245US2023275214A1Nickel-containing hydroxide particle covered with cobaltTANAKA CHEMICAL CORP·Filed 2021·Application pending·0 cites
- 3345US2023219825A1Cobalt-coated nickel-containing hydroxide particlesTANAKA CHEMICAL CORP·Filed 2021·Application pending·0 cites
- 3438US2002053663A1High density cobalt-manganese coprecipitated nickel hydroxide and process for its productionTANAKA CHEMICAL CORP·Filed 2001·Application pending·0 cites
- 3535US2014225031A1Lithium-rich lithium metal complex oxideTANAKA CHEMICAL CORP·Filed 2012·Application pending·0 cites
- 3633US2019190025A1Positive electrode active material for sodium ion secondary batteriesTANAKA CHEMICAL CORP·Filed 2017·Application pending·0 cites
- 3729US2020251730A1Positive electrode active material for alkaline storage batteryTANAKA CHEMICAL CORP·Filed 2018·Application pending·0 cites
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