Inventor · disambiguated record
Kaihua Xu
Also filed as: XU KAIHUA
29 granted patents·5 pending applications·9 citations·filing 2008–2023
91Inventor score
Top patents by PatentIndex Score
34 records- 0180US9328398B2Method for recycling noble metal from electronic waste material and apparatus thereofXU KAIHUA·Filed 2010·Granted May 3, 2016·4 cites·9 claims
- 0277US7740684B2Methods for recovering metals from automobile scrap and electronic wasteSHENZHEN GREEN ECO MANUFACTURE·Filed 2008·Granted Jun 22, 2010·5 cites·3 claims
- 0371US12027696B2Ternary positive electrode material coated with nitride/graphitized carbon nanosheets and preparation method thereofGEM CO LTD·Filed 2023·Granted Jul 2, 2024·0 cites·8 claims
- 0470US12286360B2Cobalt-manganese sulfate solution from low nickel mattePT QMB NEW ENERGY MAT·Filed 2023·Granted Apr 29, 2025·0 cites·10 claims
- 0569US12403413B2Method for green and low-cost extraction of nickel-cobalt from laterite nickel orePT QMB NEW ENERGY MAT·Filed 2023·Granted Sep 2, 2025·0 cites·17 claims
- 0669US12384709B2Wastewater treatment process in production of nickel cobalt hydroxidePT ESG NEW ENERGY MAT·Filed 2023·Granted Aug 12, 2025·0 cites·9 claims
- 0768US12391574B2Method for continuously preparing mixed hydroxide precipitate from laterite nickel ore by hydrometallurgyPT QMB NEW ENERGY MAT·Filed 2023·Granted Aug 19, 2025·0 cites·12 claims
- 0868US12378639B2Process and system for recovering manganese from high-pressure leaching system of laterite nickel orePT ESG NEW ENERGY MAT·Filed 2023·Granted Aug 5, 2025·0 cites·8 claims
- 0968US12378637B2Treatment system for the slag phase after removing iron-aluminum-chromium from leaching solution of laterite nickel orePT ESG NEW ENERGY MAT·Filed 2023·Granted Aug 5, 2025·0 cites·10 claims
- 1068US12325895B2Method for dynamically controlling high-pressure leaching reaction condition of laterite nickel orePT QMB NEW ENERGY MAT·Filed 2023·Granted Jun 10, 2025·0 cites·11 claims
- 1166US12404567B2Treatment method for laterite nickel ore by curing and roasting-water leaching-atmospheric pressure acid leachingPT ESG NEW ENERGY MAT·Filed 2023·Granted Sep 2, 2025·0 cites·12 claims
- 1266US12378630B2Combined heat exchange system of flash tank and preheater for laterite nickel ore leachingPT ESG NEW ENERGY MAT·Filed 2023·Granted Aug 5, 2025·0 cites·10 claims
- 1365US12362043B2System for optimizing duration time of high-pressure leaching of laterite nickel orePT ESG NEW ENERGY MAT·Filed 2023·Granted Jul 15, 2025·0 cites·11 claims
- 1465US12297125B2Method for preparing battery-grade nickel-cobalt-manganese sulfate crystals from low nickel mattePT QMB NEW ENERGY MAT·Filed 2023·Granted May 13, 2025·0 cites·9 claims
- 1564US12325896B2Treatment method and application for laterite nickel ore leaching solution with high calcium and magnesium contentPT ESG NEW ENERGY MAT·Filed 2023·Granted Jun 10, 2025·0 cites·10 claims
- 1664US12325898B1High-pressure reactor acid adding system for laterite nickel ore hydrometallurgyPT ESG NEW ENERGY MAT·Filed 2023·Granted Jun 10, 2025·0 cites·10 claims
- 1763US12311351B1Limestone slurry and lime milk preparing device for hydrometallurgy of laterite nickel orePT ESG NEW ENERGY MAT·Filed 2023·Granted May 27, 2025·0 cites·11 claims
- 1862US12343734B2Cylindrical ore washing machine used for hydrometallurgical smelting of laterite nickel orePT ESG NEW ENERGY MAT·Filed 2023·Granted Jul 1, 2025·0 cites·9 claims
- 1961US11708280B2Method of preparing MOF-coated monocrystal ternary positive electrode materialGEM CO LTD·Filed 2022·Granted Jul 25, 2023·0 cites·10 claims
- 2061US2025163538A1Precipitation system for hydrometallurgical processing of laterite nickel orePT QMB NEW ENERGY MAT·Filed 2023·Application pending·0 cites
- 2160US12344941B2Automatic descaling system for high-pressure reactor of laterite nickel orePT QMB NEW ENERGY MAT·Filed 2023·Granted Jul 1, 2025·0 cites·13 claims
- 2260US12113187B2Method for recovering valuable metals from spent lithium ion batteriesGEM CO LTD·Filed 2023·Granted Oct 8, 2024·0 cites·8 claims
- 2360US2024166533A1High-nickel ternary core-shell precursor, positive electrode material and preparation method thereforJINGMEN GEM CO LTD·Filed 2022·Application pending·0 cites
- 2459US12006228B2Preparation method for high density aluminum doped cobalt oxideGEM JIANGSU COBALT IND CO LTD·Filed 2022·Granted Jun 11, 2024·0 cites·18 claims
- 2558US2024421290A1Positive electrode material precursor and positive electrode material and preparation methods therefor, and sodium-ion batteryJINGMEN GEM CO LTD·Filed 2022·Application pending·0 cites
- 2657US2025083974A1Core-shell gradient ternary precursor and preparation method and application thereofJINGMEN GEM CO LTD·Filed 2022·Application pending·0 cites
- 2754US12479740B2Lithium nickel manganese cobalt oxide high-nickel single-crystal positive electrode material and preparation method thereforGEM WUXI ENERGY MAT CO LTD·Filed 2022·Granted Nov 25, 2025·0 cites·3 claims
- 2853US12473611B2Dynamic optimization method for acid-to-ore ratio in high-pressure leaching of laterite nickel orePT ESG NEW ENERGY MAT·Filed 2023·Granted Nov 18, 2025·0 cites·12 claims
- 2951US12421133B2Preparation method for 2-4 micrometers battery-grade cobalt tetroxideGEM JIANGSU COBALT IND CO LTD·Filed 2022·Granted Sep 23, 2025·0 cites·15 claims
- 3041US12428311B2Preparation method for high nickel ternary precursor capable of preferential growth of crystal planes by adjusting and controlling addition amount of seed crystalsJINGMEN GEM CO LTD·Filed 2019·Granted Sep 30, 2025·0 cites·10 claims
- 3141US11695170B2Battery-level Ni—Co—Mn mixed solution and preparation method for battery-level Mn solutionJINGMEN GEM CO LTD·Filed 2019·Granted Jul 4, 2023·0 cites·6 claims
- 3238US2023205789A9Method of rolling restart based on esgyndb databaseGUIZHOU ESGYN INFORMATION TECH CO LTD·Filed 2020·Application pending·0 cites
- 3337US9114445B2Burning-free and non-cyanide method for recycling waste printed circuit boardXU KAIHUA·Filed 2011·Granted Aug 25, 2015·0 cites·10 claims
- 3430US8771620B2Method for recycling lead from waste glass containing leadXU KAIHUA·Filed 2010·Granted Jul 8, 2014·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →