Assignee
OTSUKA CHEMICAL CO LTD
JP·127 granted patents·41 pending applications·880 citations·filing 1978–2025
Top patents by PatentIndex Score
168 records- 0193US4338209AMetal corrosion inhibitorOTSUKA CHEMICAL CO LTD·Filed 1980·Granted Jul 6, 1982·65 cites·3 claims
- 0292US9908909B2Crystal of cyclic phosphonic acid sodium salt and method for manufacturing sameOTSUKA CHEMICAL CO LTD·Filed 2015·Granted Mar 6, 2018·4 cites·1 claims
- 0392US6596893B2Crosslinked phenoxyphosphazene compounds, flame retardants, flame-retardant resin compositions, and moldings of flame-retardant resinsOTSUKA CHEMICAL CO LTD·Filed 1998·Granted Jul 22, 2003·64 cites·2 claims
- 0491US7901659B2Potassium titanate, method for manufacturing the same, friction material and resin compositionOTSUKA CHEMICAL CO LTD·Filed 2008·Granted Mar 8, 2011·11 cites·9 claims
- 0590US6677041B1Platy potassium titanate, process for producing the same, and friction materialOTSUKA CHEMICAL CO LTD·Filed 2000·Granted Jan 13, 2004·41 cites·32 claims
- 0689US8366956B2Quaternary ammonium salt and composition, and electrochemical deviceOTSUKA CHEMICAL CO LTD·Filed 2010·Granted Feb 5, 2013·7 cites·12 claims
- 0789US6946578B2Process for producing phenoxyphosphazene compound, flame-retardant resin composition, and flame-retardant resin moldingOTSUKA CHEMICAL CO LTD·Filed 2003·Granted Sep 20, 2005·22 cites·8 claims
- 0889US4219433AMetal corrosion inhibitorOTSUKA CHEMICAL CO LTD·Filed 1978·Granted Aug 26, 1980·37 cites·6 claims
- 0988US7875732B2Quaternary ammonium salt, electrolyte, electrolyte, solution and electrochemical deviceOTSUKA CHEMICAL CO LTD·Filed 2006·Granted Jan 25, 2011·9 cites·20 claims
- 1087US7662899B2Organic tellurium compound, process for producing the same, living radical polymerization initiator, process for producing polymer with the same, and polymerOTSUKA CHEMICAL CO LTD·Filed 2007·Granted Feb 16, 2010·8 cites·11 claims
- 1187US6905768B2Epoxy resin composition and electronic partOTSUKA CHEMICAL CO LTD·Filed 2001·Granted Jun 14, 2005·28 cites·11 claims
- 1286US11491759B2Composite laminate and method for producing sameOTSUKA CHEMICAL CO LTD·Filed 2018·Granted Nov 8, 2022·2 cites·15 claims
- 1386US7985731B2Sugar chain added GLP-1 peptideOTSUKA CHEMICAL CO LTD·Filed 2008·Granted Jul 26, 2011·8 cites·14 claims
- 1485US10774100B2Crystal of cyclic phosphonic acid sodium salt and method for manufacturing sameOTSUKA CHEMICAL CO LTD·Filed 2019·Granted Sep 15, 2020·1 cites·1 claims
- 1585US10385081B2Crystal of cyclic phosphonic acid sodium salt and method for manufacturing sameOTSUKA CHEMICAL CO LTD·Filed 2018·Granted Aug 20, 2019·3 cites·8 claims
- 1685US7629063B2Flame retardant and flame-retardant resin compositionOTSUKA CHEMICAL CO LTD·Filed 2005·Granted Dec 8, 2009·11 cites·16 claims
- 1785US6432187B1Friction materialOTSUKA CHEMICAL CO LTD·Filed 2000·Granted Aug 13, 2002·26 cites·5 claims
- 1884US11040991B2Allyl-phenoxy-cyclophosphazene compound, and production method thereforOTSUKA CHEMICAL CO LTD·Filed 2019·Granted Jun 22, 2021·1 cites·20 claims
- 1984US7615601B2Process for production of living radical polymers and polymersOTSUKA CHEMICAL CO LTD·Filed 2007·Granted Nov 10, 2009·6 cites·6 claims
- 2084US7291690B2Process for production of living radical polymers and polymersOTSUKA CHEMICAL CO LTD·Filed 2003·Granted Nov 6, 2007·19 cites·21 claims
- 2184US6528559B1Crosslinked phenoxyphosphazene compounds, process for the preparation thereof, flame retardants, flame-retardant resin compositions, and moldings of flame-retardant resinsOTSUKA CHEMICAL CO LTD·Filed 1999·Granted Mar 4, 2003·68 cites·14 claims
- 2283US7854854B2Quaternary ammonium salt, electrolyte, electrolyte solution and electrochemical deviceOTSUKA CHEMICAL CO LTD·Filed 2006·Granted Dec 21, 2010·4 cites·8 claims
- 2382US7354741B2Method for producing saccharide chain-extended chondroitinOTSUKA CHEMICAL CO LTD·Filed 2006·Granted Apr 8, 2008·2 cites·2 claims
- 2481US7834197B2Quaternary ammonium salt, electrolyte, and electrochemical deviceOTSUKA CHEMICAL CO LTD·Filed 2004·Granted Nov 16, 2010·24 cites·14 claims
- 2579US7547777B2Penam crystals and process for producing the sameOTSUKA CHEMICAL CO LTD·Filed 2004·Granted Jun 16, 2009·11 cites·10 claims
- 2679US7135566B2Process for producing sugar chain asparagine derivativeOTSUKA CHEMICAL CO LTD·Filed 2002·Granted Nov 14, 2006·11 cites·19 claims
- 2777US7276569B2Organic tellurium compound, process for producing the same, living radical polymerization initiator, process for producing polymer with the same, and polymerOTSUKA CHEMICAL CO LTD·Filed 2002·Granted Oct 2, 2007·12 cites·7 claims
- 2877US6660855B2Crystals of penicillin and process for the production thereofOTSUKA CHEMICAL CO LTD·Filed 2001·Granted Dec 9, 2003·12 cites·1 claims
- 2977US4477387APlatinum(II) complexesOTSUKA CHEMICAL CO LTD·Filed 1981·Granted Oct 16, 1984·17 cites·9 claims
- 3076US7847043B2Organic bismuth compound, method for producing same, living radical polymerization initiator, method for producing polymer using same, and polymerOTSUKA CHEMICAL CO LTD·Filed 2005·Granted Dec 7, 2010·5 cites·37 claims
- 3176US6518336B1Flame-retardent resin compositions compring thermoplastic resin, thermotropic liquid crystal polymer, and hoalogen-free phosphazen compoundOTSUKA CHEMICAL CO LTD·Filed 1999·Granted Feb 11, 2003·33 cites·20 claims
- 3275US12292911B2Content processing method and computer-readable mediumOTSUKA CHEMICAL CO LTD·Filed 2024·Granted May 6, 2025·0 cites·16 claims
- 3375US10941169B2Crystal of cyclic phosphonic acid sodium salt and method for manufacturing sameOTSUKA CHEMICAL CO LTD·Filed 2020·Granted Mar 9, 2021·0 cites·11 claims
- 3475US7759483B23-alkenylcephem compounds and process for production thereofOTSUKA CHEMICAL CO LTD·Filed 2005·Granted Jul 20, 2010·2 cites·13 claims
- 3574US11168101B2Crystal of cyclic phosphonic acid sodium salt and method for manufacturing sameOTSUKA CHEMICAL CO LTD·Filed 2020·Granted Nov 9, 2021·0 cites·1 claims
- 3674US7674898B2Anhydrous crystal of β-lactam compound and method for preparation thereofOTSUKA CHEMICAL CO LTD·Filed 2001·Granted Mar 9, 2010·9 cites·1 claims
- 3774US7078009B2Lepidocrocite type lithium potassium titanate, method for preparation thereof, and friction materialOTSUKA CHEMICAL CO LTD·Filed 2002·Granted Jul 18, 2006·12 cites·6 claims
- 3874US2025258854A1Content processing method and computer-readable mediumOTSUKA CHEMICAL CO LTD·Filed 2025·Application pending·0 cites
- 3973US11772982B2Potassium titanate powder, method for producing same, friction modifier, resin composition, friction material, and friction memberOTSUKA CHEMICAL CO LTD·Filed 2021·Granted Oct 3, 2023·0 cites·4 claims
- 4073US7307047B2Lepidocrocite potassium magnesium titanate, method for manufacturing the same and friction materialOTSUKA CHEMICAL CO LTD·Filed 2001·Granted Dec 11, 2007·11 cites·17 claims
- 4172US12240796B2Crystals and production method for the sameOTSUKA CHEMICAL CO LTD·Filed 2020·Granted Mar 4, 2025·0 cites·13 claims
- 4272US10843933B2Friction material composition, friction material, and friction memberOTSUKA CHEMICAL CO LTD·Filed 2018·Granted Nov 24, 2020·1 cites·8 claims
- 4371US9260557B2Block copolymer, dispersing agent, and pigment dispersion compositionOTSUKA CHEMICAL CO LTD·Filed 2012·Granted Feb 16, 2016·3 cites·9 claims
- 4471US7846249B2Pigment aqueous-medium dispersion and coating materialOTSUKA CHEMICAL CO LTD·Filed 2006·Granted Dec 7, 2010·2 cites·13 claims
- 4571US2025257197A1Rubber compositionOTSUKA CHEMICAL CO LTD·Filed 2023·Application pending·0 cites
- 4670US6521689B1Flame-retardant aromatic polyamide resin composition and molded objectOTSUKA CHEMICAL CO LTD·Filed 2000·Granted Feb 18, 2003·8 cites·10 claims
- 4769US12344788B2Liquid crystal polymer composition, liquid crystal polymer molded body, and electrical and electronic equipmentOTSUKA CHEMICAL CO LTD·Filed 2021·Granted Jul 1, 2025·0 cites·12 claims
- 4869US7947481B2Chondroitin synthase, method for producing the same and method for producing saccharide chain-extended chondroitinOTSUKA CHEMICAL CO LTD·Filed 2008·Granted May 24, 2011·0 cites·10 claims
- 4969US6710062B1Cyanomethylene compounds, process for producing the same, and agricultural or horticultural bactericideOTSUKA CHEMICAL CO LTD·Filed 2000·Granted Mar 23, 2004·5 cites·4 claims
- 5068US12275836B2Sulfanyl sulfonic acid compound, viscoelastic modifier, rubber composition, and vulcanized rubber production methodOTSUKA CHEMICAL CO LTD·Filed 2021·Granted Apr 15, 2025·0 cites·4 claims
Showing the top 50 of 168 patent records by PatentIndex Score.
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