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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →