SEIMI CHEMICAL 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 FOR491
 
  
 
C09C TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES 228
 
  
 
C09G POLISHING COMPOSITIONS OTHER THAN FRENCH POLISH; SKI WAXES215
 
  
 
H01B CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING, OR DIELECTRIC PROPERTIES 272
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 2360
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 165
 
  
 
B24D TOOLS FOR GRINDING, BUFFING, OR SHARPENING 129
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 138
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7854777 Polishing compound, method for production thereof, and polishing methodApr 26, 04Dec 21, 10[C09K, H01L, C09G, C09C, B24D]
7368095 Composite oxide for solid oxide fuel cell and method for preparation thereofNov 15, 02May 06, 08[C01B]
7025796 Method for evaluating the quality of abrasive grains, polishing method and abrasive for polishing glassNov 21, 03Apr 11, 06[B24B]
6515102 Process for recovering fluoropolymersMar 08, 02Feb 04, 03[C08F]
6120571 Polishing agent for semiconductor and method for its productionApr 16, 98Sep 19, 00[C09K, C09G, C09C]
5914071 Difluoroethylene compounds and liquid crystal compositions containing themApr 07, 97Jun 22, 99[C09K]
5516949 Difluoroethylene compounds and liquid crystal compositions containing themMar 11, 93May 14, 96[C07C]
5449660 Method of producing compound oxide by using partly citrating processMar 16, 93Sep 12, 95[H01L, H01B]
5380461 Trans-dihalogenostilbene compounds and liquid crystal electro-optical devices using themSep 30, 91Jan 10, 95[C09K]
5168095 Method for synthesizing a composite oxide by citrating processFeb 21, 91Dec 01, 92[C04B, H01B, C01G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8101143 Process for producing lithium-containing composite oxide for positive electrode for lithium secondary batteryExpiredSep 29, 06Jan 24, 12[H01M, C01D]
7981547 Process for positive electrode active substance for lithium secondary batteryExpiredAug 03, 10Jul 19, 11[H01M, C01D]
2011/0008,965 POLISHING COMPOSITION AND POLISHING METHODAbandonedAug 20, 10Jan 13, 11[C09K, H01L]
2010/0323,522 Polishing composition and polishing methodAbandonedAug 20, 10Dec 23, 10[C09K, H01L]
2010/0055,909 SEMICONDUCTOR POLISHING COMPOUND, PROCESS FOR ITS PRODUCTION AND POLISHING METHODAbandonedNov 13, 09Mar 04, 10[C09K, H01L]
2010/0009,540 POLISHING COMPOUND, ITS PRODUCTION PROCESS AND POLISHING METHODAbandonedSep 22, 09Jan 14, 10[H01L]
7615315 Positive electrode material for lithium secondary cell and process for producing the sameExpiredAug 16, 04Nov 10, 09[H01M]
7501209 Process for producing a lithium-cobalt composite oxide for a positive electrode for a lithium secondary cellExpiredMay 21, 04Mar 10, 09[H01M]
7378348 Polishing compound for insulating film for semiconductor integrated circuit and method for producing semiconductor integrated circuitExpiredMar 04, 05May 27, 08[H01L]
7306779 Lithium-cobalt composite oxide, process for its production, positive electrode for lithium secondary cell employing it, and lithium secondary cellExpiredDec 23, 03Dec 11, 07[C01G]
7270797 Process for producing positive electrode active material for lithium secondary batteryExpiredMay 13, 05Sep 18, 07[C01D]
2007/0117,014 POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD FOR PRODUCING SAMEAbandonedJan 19, 07May 24, 07[H01M, C01G]
2007/0111,097 LITHIUM-COBALT COMPOSITE OXIDE, PROCESS FOR ITS PRODUCTION, POSITIVE ELECTRODE FOR LITHIUM SECONDARY CELL EMPLOYING IT, AND LITHIUM SECONDARY CELLAbandonedJan 10, 07May 17, 07[H01M, C01G]
2007/0004,210 Polishing composition and polishing methodAbandonedSep 06, 06Jan 04, 07[H01L]
2006/0263,690 Positive electrode active material for lithium secondary battery and process for producing the sameAbandonedSep 25, 03Nov 23, 06[H01M]
7108895 Liquid crystal composition containing an optically active compound and liquid crystal electro-optical elementExpiredFeb 08, 02Sep 19, 06[C09K]
2006/0057,466 Composite oxide containing lithum, nickel, cobalt, manganese, and fluorine, process for producing the same, and lithium secondary cell employing itAbandonedJul 07, 04Mar 16, 06[H01M]
2005/0220,700 Positive electrode active material powder for lithium secondary batteryAbandonedMay 20, 05Oct 06, 05[H01M]
2005/0194,565 Polishing compound, its production process and polishing methodAbandonedMar 25, 05Sep 08, 05[C09K]
2005/0126,080 Semiconductor polishing compound, process for its production and polishing methodAbandonedJan 24, 05Jun 16, 05[B24D]

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