Inventor
KAIHUA XU
Inventor
CN
Overview
Patents· 33 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Bprimary
C22BProduction and refining of metals19%
Y02PClimate change mitigation technologies in the production or processing of goods17%
C01GCompounds containing metals not covered by subclasses c01d or c01f10%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%
B01DSeparation5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals2%
B02CCrushing, pulverising, or disintegrating in general2%
PatentTitleYear
12,595,532Ore hydrometallurgical slag and phosphating slag202612,595,530System and method for regulating aluminum precipitation during high-pressure acid leaching of laterite nickel ore202612,590,014Method for improving particle size and morphology of neutralizer for laterite nickel ore hydrometallurgy202612,522,515Cathode material for sodium-ion batteries, preparation method therefor, and application thereof202612,522,890Treatment system for removing iron-aluminum-chromium reaction products in leaching solution of laterite nickel ore202612,521,643System for preparing new energy Ni--Co--Mn raw material from laterite nickel ore202612,479,740Lithium nickel manganese cobalt oxide high-nickel single-crystal positive electrode material and preparation method therefor202512,473,611Dynamic optimization method for acid-to-ore ratio in high-pressure leaching of laterite nickel ore202512,428,311Preparation method for high nickel ternary precursor capable of preferential growth of crystal planes by adjusting and controlling addition amount of seed crystals202512,430,161Support of virtual network and non-virtual network connectivity on the same virtual machine202512,421,133Preparation method for 2-4 micrometers battery-grade cobalt tetroxide202512,404,567Treatment method for laterite nickel ore by curing and roasting-water leaching-atmospheric pressure acid leaching202512,403,413Method for green and low-cost extraction of nickel-cobalt from laterite nickel ore202512,391,574Method for continuously preparing mixed hydroxide precipitate from laterite nickel ore by hydrometallurgy202512,384,709Wastewater treatment process in production of nickel cobalt hydroxide202512,378,637Treatment system for the slag phase after removing iron-aluminum-chromium from leaching solution of laterite nickel ore202512,378,630Combined heat exchange system of flash tank and preheater for laterite nickel ore leaching202512,378,639Process and system for recovering manganese from high-pressure leaching system of laterite nickel ore202512,362,043System for optimizing duration time of high-pressure leaching of laterite nickel ore202512,344,941Automatic descaling system for high-pressure reactor of laterite nickel ore202512,343,734Cylindrical ore washing machine used for hydrometallurgical smelting of laterite nickel ore202512,325,896Treatment method and application for laterite nickel ore leaching solution with high calcium and magnesium content202512,325,898High-pressure reactor acid adding system for laterite nickel ore hydrometallurgy202512,325,895Method for dynamically controlling high-pressure leaching reaction condition of laterite nickel ore202512,311,351Limestone slurry and lime milk preparing device for hydrometallurgy of laterite nickel ore202512,297,125Method for preparing battery-grade nickel-cobalt-manganese sulfate crystals from low nickel matte202512,286,360Cobalt-manganese sulfate solution from low nickel matte202512,113,187Method for recovering valuable metals from spent lithium ion batteries202412,027,696Ternary positive electrode material coated with nitride/graphitized carbon nanosheets and preparation method thereof202412,006,228Preparation method for high density aluminum doped cobalt oxide202411,709,694Support of virtual network and non-virtual network connectivity on the same virtual machine202311,708,280Method of preparing MOF-coated monocrystal ternary positive electrode material202311,695,170Battery-level Ni--Co--Mn mixed solution and preparation method for battery-level Mn solution2023Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2023–2026Patents assigned to GEM CO LTD (27)· patent assignee history
2023–2026Patents assigned to JINGMEN GEM CO LTD (5)· patent assignee history
2023–2026Based in CN· patent location history
2023–2025Based in US· patent location history
2025–2026Patents assigned to PT ESG NEW ENERGY MAT (22)· patent assignee history
2025–2026Patents assigned to PT GEM INDONESIA NEW ENERGY MAT (22)· patent assignee history
2025–2026Patents assigned to PT QMB NEW ENERGY MAT (22)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEM CO LTD | 27 | 2023–2026 |
| PT ESG NEW ENERGY MAT | 22 | 2025–2026 |
| PT GEM INDONESIA NEW ENERGY MAT | 22 | 2025–2026 |
| PT QMB NEW ENERGY MAT | 22 | 2025–2026 |
| JINGMEN GEM CO LTD | 5 | 2023–2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 31 | 2023–2026 |
| US | 2 | 2023–2025 |