TOKUYAMA CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 40165
 
 
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF3148
 
 
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR2867
 
 
 
C30B SINGLE-CRYSTAL GROWTH 2531
 
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 22340
 
 
 
G02C SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES 2029
 
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM19138
 
 
 
C07D HETEROCYCLIC COMPOUNDS 19143
 
 
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 19106
 
 
 
G01T MEASUREMENT OF NUCLEAR OR X-RADIATION 1636

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0059,288 LANTHANUM FLUORIDE SINGLE CRYSTAL AND OPTICAL COMPONENTMar 03, 16Mar 01, 18[G02B, C30B]
2018/0024,258 Wearable Neutron DetectorJul 18, 17Jan 25, 18[G01T]
2017/0341,944 CORE WIRE HOLDER AND METHOD FOR PRODUCING SILICONOct 30, 15Nov 30, 17[C23C, C01B]
2017/0319,473 TEAT PACK MATERIAL FOR LACTATING LIVESTOCK, KIT FOR FORMING TEAT PACK FOR LACTATING LIVESTOCK, AND METHOD FOR PREVENTING MASTITIS IN LACTATING LIVESTOCKNov 12, 15Nov 09, 17[A01K, A61K]
2017/0296,690 PRESSURIZED FLUID STERILIZING APPARATUSSep 03, 15Oct 19, 17[A61L]
2017/0259,558 METHOD FOR MANUFACTURING REPRODUCTION OF PAINTINGSep 08, 15Sep 14, 17[B41M, B41J]
2017/0260,650 Cleaning Method and Laminate of Aluminum Nitride Single-Crystal SubstrateAug 21, 15Sep 14, 17[C08J, C23C, C11D, H01L, C30B]
2017/0222,237 Odorant for Fuel Gases for Anion Membrane Fuel Cells, Fuel Gas and Power Generation System Using Anion Membrane Fuel CellSep 29, 15Aug 03, 17[C01B, G01N, H01M, C01C, G01M]
2017/0222,242 Anion Conductor and Layered Metal HydroxideMar 25, 15Aug 03, 17[C01G, C01F, H01M]
2017/0203,526 Photopolymerization Device and Production Method for Lens that has Photochromic Coating LayerJul 21, 15Jul 20, 17[G02C, G02B, B29D]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9920243 Scintillator, radiation detector, and method for detecting radiationApr 02, 12Mar 20, 18[C09K, G21K, G01T]
9890324 Photochromic curable composition, cured product thereof and laminate including the cured productFeb 26, 14Feb 13, 18[G02C, G02B, C09K, C08F, B32B]
9873819 Curable composition and photochromic compositionJul 17, 15Jan 23, 18[C09K, G02B, C08G, C09D, C08K]
9840421 Chlorosilane production methodDec 22, 09Dec 12, 17[B01J, C01B]
9840790 Highly transparent aluminum nitride single crystalline layers and devices made therefromAug 23, 12Dec 12, 17[H01L, C01B, C30B]
9828250 Method of preventing polysilicon from being contaminated with metalsSep 17, 10Nov 28, 17[B23P, B32B, B01J, C01B]
9809682 Hydrophobized spherical polyalkylsilsesquioxane fine particle, external additive for toner, dry toner for electrophotography, and method of manufacturing hydrophobized spherical polyalkylsilsesquioxane fine particleJan 07, 15Nov 07, 17[C08G, G03G]
9806205 N-type aluminum nitride monocrystalline substrateJul 21, 15Oct 31, 17[H01L, C30B]
9784858 Neutron scintillator, neutron detector and method for manufacturing neutron scintillatorOct 28, 14Oct 10, 17[C09K, G21K, G01T]
9753161 Neutron scintillator and neutron detectorJun 08, 15Sep 05, 17[C09K, G01T]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0202,363 Neutron Scintillator and Neutron DetectorAbandonedAug 28, 14Jul 14, 16[G21K, G01T]
2015/0368,435 RESIN COMPOSITION AND METHOD FOR PRODUCING SAME, AND HIGHLY THERMALLY CONDUCTIVE RESIN MOLDED ARTICLEAbandonedFeb 13, 14Dec 24, 15[C08K]
2015/0284,266 Ultraviolet Disinfection Apparatus and Disinfection MethodAbandonedOct 24, 13Oct 08, 15[A61L, C02F]
2015/0221,513 METHOD FOR PRODUCING POLYCRYSTALLINE SILICONAbandonedAug 05, 13Aug 06, 15[H01L]
2015/0205,020 PROCESS FOR PRODUCING PHOTOCHROMIC OPTICAL ARTICLESAbandonedMar 31, 15Jul 23, 15[G02B]
2015/0175,430 Method for Producing PolysiliconAbandonedJul 01, 13Jun 25, 15[F22B, C01B]
2015/0171,453 CATALYST LAYER FOR ANION-EXCHANGE MEMBRANE FUEL CELLS, MEMBRANE-ELECTRODE ASSEMBLY, ANION-EXCHANGE MEMBRANE FUEL CELL USING MEMBRANE-ELECTRODE ASSEMBLY, AND METHOD FOR OPERATING ANION-EXCHANGE MEMBRANE FUEL CELLAbandonedJul 03, 13Jun 18, 15[B01J, H01M]
2015/0079,401 CURABLE RESIN COMPOSITION, METHOD FOR MANUFACTURING THE SAME, HIGH THERMAL CONDUCTIVE RESIN COMPOSITION, AND HIGH THERMAL CONDUCTIVE LAMINATED SUBSTRATEAbandonedMar 28, 13Mar 19, 15[C09K, C09J]
2015/0034,887 CHROMENE COMPOUNDAbandonedMar 11, 13Feb 05, 15[G02C, G02B, C07D, C07C]
2015/0030,866 PHOTOCHROMIC CURABLE COMPOSITIONAbandonedApr 17, 13Jan 29, 15[C09K, G02B, C07C]
2015/0017,566 Catalyst Electrode Layer and Method for Producing SameAbandonedFeb 27, 13Jan 15, 15[H01M]
2014/0234,580 PRINTING SHEET AND MOLD SHEET FOR FORMING PRINTING SURFACE ON THE PRINTING SHEETAbandonedMay 31, 12Aug 21, 14[B41M]
2014/0203,226 (METH)ACRYLATE COMPOUND AND PHOTOCHROMIC CURABLE COMPOSITION CONTAINING THE (METH)ACRYLATE COMPOUNDAbandonedOct 15, 12Jul 24, 14[G02B, C07D]
2014/0061,530 METHOD OF MANUFACTURING WATER RESISTANT ALUMINIUM NITRIDEAbandonedApr 27, 12Mar 06, 14[C09K]
2014/0030,529 CHROMENE COMPOUNDAbandonedJan 25, 12Jan 30, 14[G02B, C07D, C07C]
2013/0327,946 Scintillator for Neutron Detection, and Neutron Radiation DetectorAbandonedFeb 24, 12Dec 12, 13[G01T]
2013/0320,217 NEUTRON DETECTION DEVICEAbandonedMar 08, 12Dec 05, 13[G01T]
8597743 Aluminum nitride sintered bodyExpiredAug 04, 06Dec 03, 13[C04B, B32B]
2013/0313,567 BASE SUBSTRATE, GALLIUM NITRIDE CRYSTAL MULTI-LAYER SUBSTRATE AND PRODUCTION PROCESS THEREFORAbandonedMar 02, 12Nov 28, 13[H01L]
2013/0298,822 SILICON MELT CONTACT MEMBER, PROCESS FOR PRODUCTION THEREOF, AND PROCESS FOR PRODUCTION OF CRYSTALLINE SILICONAbandonedJan 26, 12Nov 14, 13[C30B]

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