Assignee
KURARAY CO
JP·1,647 granted patents·512 pending applications·27,346 citations·filing 1967–2025
Top patents by PatentIndex Score
2,159 records- 0198US4352884ACarrier having acrylate copolymer coating for immobilization of bioactive materialsKURARAY CO·Filed 1981·Granted Oct 5, 1982·159 cites·14 claims
- 0298US4259075AMethod of filling a tooth cavityKURARAY CO·Filed 1979·Granted Mar 31, 1981·224 cites·25 claims
- 0397US6462231B1Method of producing carboxylic acid and alcoholKURARAY CO·Filed 2000·Granted Oct 8, 2002·139 cites·19 claims
- 0497US6166117AWater-soluble filmKURARAY CO·Filed 1998·Granted Dec 26, 2000·249 cites·12 claims
- 0597US4946857ATerpene amino alcohols and medicinal uses thereofKURARAY CO·Filed 1986·Granted Aug 7, 1990·87 cites·5 claims
- 0697US4931344AFastener componentKURARAY CO·Filed 1988·Granted Jun 5, 1990·147 cites·16 claims
- 0797US4842916ASeparable fastener component & moldings attached with such fastener componentKURARAY CO·Filed 1987·Granted Jun 27, 1989·156 cites·28 claims
- 0897US4736748ABlood component monitoring systemKURARAY CO·Filed 1987·Granted Apr 12, 1988·245 cites·10 claims
- 0997US4664669AComposite hollow fiber-type separation membranes, processes for the preparation thereof and their useKURARAY CO·Filed 1984·Granted May 12, 1987·161 cites·2 claims
- 1097US4567221AWater resistant compositionsKURARAY CO·Filed 1984·Granted Jan 28, 1986·87 cites·8 claims
- 1197US4259117ADental filling materialKURARAY CO·Filed 1978·Granted Mar 31, 1981·153 cites·10 claims
- 1297US4215077AHydroformylation of olefinsKURARAY CO·Filed 1979·Granted Jul 29, 1980·64 cites·18 claims
- 1397US4190411ACentrifugal potting apparatusKURARAY CO·Filed 1978·Granted Feb 26, 1980·145 cites·6 claims
- 1496US7932192B2Base for synthetic leather and synthetic leathers made by using the sameKURARAY CO·Filed 2006·Granted Apr 26, 2011·49 cites·11 claims
- 1596US7892992B2Polyvinyl alcohol fibers, and nonwoven fabric comprising themKURARAY CO·Filed 2004·Granted Feb 22, 2011·92 cites·29 claims
- 1696US6599598B1Oxygen absorptive resin compositionKURARAY CO·Filed 2000·Granted Jul 29, 2003·54 cites·17 claims
- 1796US6407860B1Fresnel lens sheetKURARAY CO·Filed 1999·Granted Jun 18, 2002·116 cites·7 claims
- 1896US4539382AAdhesive compositionKURARAY CO·Filed 1983·Granted Sep 3, 1985·270 cites·86 claims
- 1996US4537940AAdhesive compositionsKURARAY CO·Filed 1984·Granted Aug 27, 1985·220 cites·12 claims
- 2096US4499251AAdhesive compositionsKURARAY CO·Filed 1984·Granted Feb 12, 1985·261 cites·5 claims
- 2196US4238419AHydroformylation of olefinic compoundsKURARAY CO·Filed 1979·Granted Dec 9, 1980·39 cites·15 claims
- 2295US12371540B2Water-soluble film and packageKURARAY CO·Filed 2021·Granted Jul 29, 2025·3 cites·20 claims
- 2395US12286514B2Water-soluble film and packageKURARAY CO·Filed 2021·Granted Apr 29, 2025·2 cites·20 claims
- 2495US7026049B2Conductive polyvinyl alcohol fiberKURARAY CO·Filed 2005·Granted Apr 11, 2006·37 cites·20 claims
- 2595US6900148B2Leather-like sheet materialKURARAY CO·Filed 2002·Granted May 31, 2005·65 cites·25 claims
- 2695US6608121B2Water-soluble resin composition and water-soluble filmKURARAY CO·Filed 2001·Granted Aug 19, 2003·84 cites·19 claims
- 2795US6486285B2Water-swellable polymer gel and process for preparing the sameKURARAY CO·Filed 2001·Granted Nov 26, 2002·151 cites·16 claims
- 2895US6458868B1Organophosphorus compounds for dental polymerizable compositionsKURARAY CO·Filed 2000·Granted Oct 1, 2002·183 cites·22 claims
- 2995US6310116B1Molded polymer article having a hydrophilic surface and process for producing the sameKURARAY CO·Filed 1998·Granted Oct 30, 2001·138 cites·18 claims
- 3095US4938778AComposite hollow fiber type separation membranes processes for the preparation thereof and their useKURARAY CO·Filed 1986·Granted Jul 3, 1990·115 cites·4 claims
- 3195US4792484AComposition, process for producing the same and multi-layer structureKURARAY CO·Filed 1987·Granted Dec 20, 1988·95 cites·8 claims
- 3295US4389513AHighly absorbent resinKURARAY CO·Filed 1981·Granted Jun 21, 1983·118 cites·15 claims
- 3395US4216251AMethod of producing a leather-like sheet material having a high-quality feelingKURARAY CO·Filed 1978·Granted Aug 5, 1980·105 cites·12 claims
- 3495US4181228AApparatus for conveying cops and bobbins for directly connecting ring frame with winderKURARAY CO·Filed 1978·Granted Jan 1, 1980·42 cites·7 claims
- 3595US4148781AFlexible building sheet materialsKURARAY CO·Filed 1977·Granted Apr 10, 1979·92 cites·10 claims
- 3694US11674083B2Thermoplastic liquid crystal polymer and film of sameKURARAY CO·Filed 2019·Granted Jun 13, 2023·12 cites·14 claims
- 3794US11229432B2Small diameter fiber braid with central core memberKURARAY CO·Filed 2019·Granted Jan 25, 2022·8 cites·28 claims
- 3894US10227481B2Rubber composition, vulcanized rubber, and tireKURARAY CO·Filed 2014·Granted Mar 12, 2019·11 cites·11 claims
- 3994US9908957B2Modified polyvinyl alcohol and water-soluble film containing sameKURARAY CO·Filed 2014·Granted Mar 6, 2018·14 cites·6 claims
- 4094US9538646B2Thermoplastic liquid crystal polymer film, and laminate and circuit board using sameKURARAY CO·Filed 2014·Granted Jan 3, 2017·25 cites·14 claims
- 4194US7713614B2Resin composition and multilayer structureKURARAY CO·Filed 2006·Granted May 11, 2010·34 cites·19 claims
- 4294US6956070B2Water-soluble film and package using the sameKURARAY CO·Filed 2002·Granted Oct 18, 2005·75 cites·17 claims
- 4394US6007712AWaste water treatment apparatusKURARAY CO·Filed 1998·Granted Dec 28, 1999·124 cites·16 claims
- 4494US5455114AWater soluble polyvinyl alcohol-based fiberKURARAY CO·Filed 1994·Granted Oct 3, 1995·91 cites·5 claims
- 4594US5436295AThermoplastic elastomer compositionKURARAY CO·Filed 1994·Granted Jul 25, 1995·96 cites·12 claims
- 4694US5340480APolysulfone-based hollow fiber membrane and process for manufacturing the sameKURARAY CO·Filed 1993·Granted Aug 23, 1994·129 cites·11 claims
- 4794US4617239APaper coating agentKURARAY CO·Filed 1984·Granted Oct 14, 1986·76 cites·14 claims
- 4894US4568444AChemical substance measuring apparatusKURARAY CO·Filed 1985·Granted Feb 4, 1986·194 cites·13 claims
- 4994US4492783ABinder for obtaining a ceramic molded green bodyKURARAY CO·Filed 1984·Granted Jan 8, 1985·72 cites·14 claims
- 5094US4218298ASelective chemical sensitive FET transducerKURARAY CO·Filed 1978·Granted Aug 19, 1980·89 cites·11 claims
Showing the top 50 of 2,159 patent records by PatentIndex Score.
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