GRIREM ADVANCED MATERIALS CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR887
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 4358
 
  
 
C22C ALLOYS 369
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 381
 
  
 
B22F WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER 250
 
  
 
F21K LIGHT SOURCES NOT OTHERWISE PROVIDED FOR238
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 2126
 
  
 
B01D SEPARATION 1133
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B24D TOOLS FOR GRINDING, BUFFING, OR SHARPENING 129

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0218,267 GARNET-TYPE FLUORESCENT POWDER, PREPARATION METHOD AND DEVICES COMPRISING THE FLUORESCENT POWDERAug 03, 15Aug 03, 17[C09K, H01L, C30B]
2015/0040,725 RARE EARTH PERMANENT MAGNETIC POWDER, BONDED MAGNET AND DEVICE USING THE BONDED MAGNETJul 02, 12Feb 12, 15[H01F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9859042 Rare earth permanent magnetic powder, bonded magnet and device using the bonded magnetJul 02, 12Jan 02, 18[B22F, H01F, C22C]
9752213 Method for comprehensively recovering rare earth elements and fluorine element in a bastnaesite treatment processSep 29, 13Sep 05, 17[C22B]
9725620 Cerium oxide based composite polishing powder and preparation method thereofNov 07, 13Aug 08, 17[C09K, C09G, B24D]
9671086 Oxynitride orange-red fluorescent substance and light-emitting film or sheet and light-emitting device comprising the sameDec 20, 13Jun 06, 17[C09K, F21V, H01L, H05B, F21Y, F21K]
9523035 Silicon-containing phosphor for LED, its preparation and the light emitting devices using the sameJan 26, 09Dec 20, 16[C09K, H01L]
9252339 Red light-emitting nitride material, and light-emitting part and light-emitting device comprising the sameOct 17, 11Feb 02, 16[H01J, C09K, H01L, C04B, F21K]
9245674 Rare-earth permanent magnetic powder, bonded magnet, and device comprising the sameMar 28, 11Jan 26, 16[H01F, C22C]
9153754 Light emitting diode (LED) red fluorescent material and lighting device having the sameJun 29, 12Oct 06, 15[C09K, H01J, H01L, H05B, B32B]
8808660 Method of precipitation of metal ionsFeb 09, 10Aug 19, 14[C01B]
8721998 Use of Mg(HCO3)2 and/or Ca(HCO3)2 aqueous solution in metal extractive separation and purificationJan 14, 10May 13, 14[C01F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0014,860 Method for manufacturing melt-spinning alloys and apparatus thereofAbandonedMar 28, 11Jan 17, 13[F27D, C21D]
2010/0003,176 PROCESS FOR PRETREATING ORGANIC EXTRACTANTS AND ITS PRODUCT AND APPLICATIONAbandonedFeb 02, 08Jan 07, 10[C01F]

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