Inventor · disambiguated record
Yoshitane Watanabe
Also filed as: WATANABE YOSHITANE
45 granted patents·1,604 citations·filing 1984–2001
99Inventor score
Top patents by PatentIndex Score
45 records- 0195US5597512AMethod for preparing elongated-shaped silica solNISSAN CHEMICAL IND LTD·Filed 1994·Granted Jan 28, 1997·147 cites·16 claims
- 0295US5221497AElongated-shaped silica sol and method for preparing the sameNISSAN CHEMICAL IND LTD·Filed 1991·Granted Jun 22, 1993·239 cites·32 claims
- 0393US5091009ACoating composition and a process for manufacturing the sameNISSAN CHEMICAL IND LTD·Filed 1989·Granted Feb 25, 1992·76 cites·12 claims
- 0492US6632489B1Moniliform silica sol, process for producing the same, and ink-jet recording mediumNISSAN CHEMICAL IND LTD·Filed 1999·Granted Oct 14, 2003·61 cites·5 claims
- 0591US5196177AProduction of stable aqueous silica solNISSAN CHEMICAL IND LTD·Filed 1991·Granted Mar 23, 1993·64 cites·10 claims
- 0690US6713170B1Hard coating material and film comprising the sameNIPPON KAYAKU KK·Filed 1999·Granted Mar 30, 2004·76 cites·5 claims
- 0790US6398827B1Polishing compositionNISSAN CHEMICAL IND LTD·Filed 2000·Granted Jun 4, 2002·57 cites·4 claims
- 0890US6296943B1Method for producing composite sol, coating composition, and optical elementNISSAN CHEMICAL IND LTD·Filed 1998·Granted Oct 2, 2001·64 cites·14 claims
- 0990US5100581AMethod of preparing high-purity aqueous silica solNISSAN CHEMICAL IND LTD·Filed 1990·Granted Mar 31, 1992·86 cites·11 claims
- 1088US5989515AProcess for producing an acidic aqueous alumina solNISSAN CHEMICAL IND LTD·Filed 1997·Granted Nov 23, 1999·63 cites·19 claims
- 1186US6291535B1Silica-magnesium fluoride hydrate composite sols and process for their preparationNISSAN CHEMICAL IND LTD·Filed 1999·Granted Sep 18, 2001·48 cites·5 claims
- 1281US5780201AUltra thin photolithographically imageable organic black matrix coating materialBREWER SCIENCE INC·Filed 1996·Granted Jul 14, 1998·54 cites·10 claims
- 1379US5190700AFlame retardant for halogen-containing vinyl resinsNISSAN CHEMICAL IND LTD·Filed 1990·Granted Mar 2, 1993·25 cites·31 claims
- 1475US6537667B2Electro-conductive oxide particle and process for its productionNISSAN CHEMICAL IND LTD·Filed 2001·Granted Mar 25, 2003·10 cites·60 claims
- 1574US5094691ATungstic oxide-stannic oxide composite sol and method of preparing the sameNISSAN CHEMICAL IND LTD·Filed 1990·Granted Mar 10, 1992·30 cites·12 claims
- 1674US4840705APapermaking methodNISSAN CHEMICAL IND LTD·Filed 1988·Granted Jun 20, 1989·20 cites·8 claims
- 1772US5906679ACoating compositions employing zinc antimonate anhydride particlesNISSAN CHEMICAL IND LTD·Filed 1997·Granted May 25, 1999·26 cites·4 claims
- 1872US5472797AOptical elements having cured coating filmHOYA CORP·Filed 1993·Granted Dec 5, 1995·37 cites·18 claims
- 1972US5460738AModified stannic oxide-zirconium oxide composite sol and process for preparing the sameNISSAN CHEMICAL IND LTD·Filed 1993·Granted Oct 24, 1995·22 cites·25 claims
- 2071US5366545ACoating compositionsHOYA CORP·Filed 1993·Granted Nov 22, 1994·34 cites·9 claims
- 2171US4988505ADeodorizerNISSAN CHEMICAL IND LTD·Filed 1989·Granted Jan 29, 1991·79 cites·49 claims
- 2270US5989391AReaction product of sulfonated amino resin and amino group-containing substance and papermaking processNISSAN CHEMICAL IND LTD·Filed 1996·Granted Nov 23, 1999·27 cites·11 claims
- 2368US4904304AChemical grout for ground injection and method for accretionNISSAN CHEMICAL IND LTD·Filed 1987·Granted Feb 27, 1990·30 cites·15 claims
- 2467US4731198APositively charged antimony pentoxide sol and preparation thereofNISSAN CHEMICAL IND LTD·Filed 1986·Granted Mar 15, 1988·18 cites·14 claims
- 2565US6040372AHydrated zinc stannate sols, coating compositions and optical elementsNISSAN CHEMICAL IND LTD·Filed 1998·Granted Mar 21, 2000·16 cites·12 claims
- 2665US5891362AHydrated zinc stannate sols, coating compositions and optical elementsNISSAN CHEMICAL IND LTD·Filed 1996·Granted Apr 6, 1999·15 cites·16 claims
- 2765US4770813AProcess for preparing stable colloidal sols of antimony pentoxide in organic solventsNISSAN CHEMICAL IND LTD·Filed 1986·Granted Sep 13, 1988·17 cites·10 claims
- 2863US4769076ABinders for manufacture of precision casting moldsNISSAN CHEMICAL IND LTD·Filed 1986·Granted Sep 6, 1988·11 cites·18 claims
- 2962US5188667ATungstic oxide-stannic oxide composite sol and method of preparing the sameNISSAN CHEMICAL IND LTD·Filed 1991·Granted Feb 23, 1993·20 cites·19 claims
- 3061US4608198AFlame retardant for halogen-containing vinyl resinsNISSAN CHEMICAL IND LTD·Filed 1984·Granted Aug 26, 1986·10 cites·12 claims
- 3160US5861112AElectro-conductive oxide particle and processes for its productionNISSAN CHEMICAL IND LTD·Filed 1997·Granted Jan 19, 1999·14 cites·8 claims
- 3257US5552083ASol and fine powder of sodium magnesium fluoride and processes for their productionNISSAN CHEMICAL IND LTD·Filed 1994·Granted Sep 3, 1996·12 cites·12 claims
- 3356US6093749AAnhydrous zinc antimonate sol and method for producing the sameNISSAN CHEMICAL IND LTD·Filed 1998·Granted Jul 25, 2000·12 cites·6 claims
- 3456US4589997AProcess for preparing colloidal solution of antimony pentoxideNISSAN CHEMICAL IND LTD·Filed 1984·Granted May 20, 1986·9 cites·21 claims
- 3552US5707552AZinc antimonate anhydride and method for producing sameNISSAN CHEMICAL IND LTD·Filed 1996·Granted Jan 13, 1998·10 cites·14 claims
- 3651US6001164AHydrated zinc stannate sols, coating compositions and optical elementsNISSAN CHEMICAL IND LTD·Filed 1998·Granted Dec 14, 1999·10 cites·10 claims
- 3751US5891565ASol and fine powder of sodium magnesium fluoride and processes for their productionNISSAN CHEMICAL IND LTD·Filed 1997·Granted Apr 6, 1999·10 cites·20 claims
- 3847US5766512AZinc antimonate anhydride and method for producing sameNISSAN CHEMICAL IND LTD·Filed 1996·Granted Jun 16, 1998·7 cites·5 claims
- 3943US5756009AProcess for the production of an electro-conductive oxide particleNISSAN CHEMICAL IND LTD·Filed 1996·Granted May 26, 1998·6 cites·20 claims
- 4043US5667725ASol and fine powder of sodium magnesium fluoride and processes for their productionNISSAN CHEMICAL IND LTD·Filed 1996·Granted Sep 16, 1997·6 cites·16 claims
- 4143US5582909AElectro-conductive oxide particle and processes for its productionNISSAN CHEMICAL IND LTD·Filed 1994·Granted Dec 10, 1996·6 cites·4 claims
- 4242US5998090AHigh optical density ultra thin organic black matrix systemBREWER SCIENCE INC·Filed 1997·Granted Dec 7, 1999·13 cites·11 claims
- 4336US4770812AProcess for preparing colloidal sols of antimony pentoxide in organic solventsNISSAN CHEMICAL IND LTD·Filed 1986·Granted Sep 13, 1988·4 cites·13 claims
- 4432US4769075ABinder for manufacture of precision casting moldNISSAN CHEMICAL IND LTD·Filed 1987·Granted Sep 6, 1988·2 cites·8 claims
- 4524US4581404AFlame retarded resin compositionNISSAN CHEMICAL IND LTD·Filed 1984·Granted Apr 8, 1986·1 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →