Inventor · disambiguated record
Toshimitsu Hagiwara
Also filed as: HAGIWARA TOSHIMITSU
59 granted patents·1 pending application·669 citations·filing 1987–2003
99Inventor score
Files withTAKASAGO PERFUMERY CO LTD54SEMICONDUCTOR ENERGY LAB4SHINDENGEN ELECTRIC MFG1SHIROYAMA KENICHIRO1
Top patents by PatentIndex Score
60 records- 0195US5942615APhenothiazine or phenoxazine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptorTAKASAGO PERFUMERY CO LTD·Filed 1997·Granted Aug 24, 1999·73 cites·1 claims
- 0294US6313365B1Ruthenium metathesis catalyst and method for producing olefin reaction product by metathesis reaction using the sameTAKASAGO PERFUMERY CO LTD·Filed 2000·Granted Nov 6, 2001·32 cites·3 claims
- 0393US6515188B2Method for producing 3-l-menthoxypropane-1,2-diolTAKASAGO PERFUMERY CO LTD·Filed 2002·Granted Feb 4, 2003·28 cites·10 claims
- 0493US6175047B1Ruthenium metathesis catalyst and method for producing olefin reaction product by metathesis reaction using the sameTAKASAGO PERFUMERY CO LTD·Filed 1998·Granted Jan 16, 2001·52 cites·5 claims
- 0592US6548711B2Process for producing 2-vinylcyclododecanoneTAKASAGO PERFUMERY CO LTD·Filed 2001·Granted Apr 15, 2003·29 cites·11 claims
- 0692US6407293B1Process for producing 3-1-menthoxypropane-1,2-diolTAKASAGO PERFUMERY CO LTD·Filed 2001·Granted Jun 18, 2002·32 cites·11 claims
- 0792US6083651APhenothiazine or phenoxazine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptorTAKASAGO PERFUMERY CO LTD·Filed 1998·Granted Jul 4, 2000·54 cites·3 claims
- 0885US7538081B2Method and agent for enhancing diffusivity and long-lasting property of fragranceTAKASAGO PERFUMERY CO LTD·Filed 2001·Granted May 26, 2009·19 cites·1 claims
- 0984US5567560ATriphenylamine derivative charge-transporting material containing electrophotographic photoreceptorTAKASAGO PERFUMERY CO LTD·Filed 1995·Granted Oct 22, 1996·23 cites·9 claims
- 1082US5989765ATriphenylamine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptorTAKASAGO PERFUMERY CO LTD·Filed 1999·Granted Nov 23, 1999·24 cites·6 claims
- 1182US5824751ABiodegradable high molecular compositionTAKASAGO PERFUMERY CO LTD·Filed 1996·Granted Oct 20, 1998·38 cites·19 claims
- 1279US4751163A1,1,4,4-tetraphenyl-1,3-butadiene derivative and electrophotographic light-sensitive material using the sameTAKASAGO PERFUMERY CO LTD·Filed 1987·Granted Jun 14, 1988·21 cites·8 claims
- 1377US5573878ATriphenylamine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptorTAKASAGO PERFUMERY CO LTD·Filed 1994·Granted Nov 12, 1996·12 cites·8 claims
- 1476US6172264B1Triphenylamine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptorTAKASAGO PERFUMERY CO LTD·Filed 1999·Granted Jan 9, 2001·19 cites·8 claims
- 1573US6833481B2Process for producing 2-alkyl-2cyclopentenonesTAKASAGO PERFUMERY CO LTD·Filed 2002·Granted Dec 21, 2004·7 cites·5 claims
- 1673US6822121B2Production process of cyclohexenyl ketonesTAKASAGO PERFUMERY CO LTD·Filed 2001·Granted Nov 23, 2004·6 cites·4 claims
- 1772US6075154AMethod of preparation of 2,2'-bis(diarylphosphino)-6,6'-bis(trifluoromethyl)-1,1'-biphenyl, transition metal complex using it as ligand, and optically active 3-hydroxybutanoic acid ester derivative or β-butyrolactoneTAKASAGO PERFUMERY CO LTD·Filed 1998·Granted Jun 13, 2000·15 cites·11 claims
- 1871US5486441AElectrophotographic photoreceptor containing 1,4-bis(4,4-diphenyl-1,3-butadienyl)benzene derivativeTAKASAGO PERFUMERY CO LTD·Filed 1995·Granted Jan 23, 1996·10 cites·1 claims
- 1970US6455720B12,2(diarlyl)vinylphosphine compound, palladium catalyst thereof, and process for producing arylamine, diaryl, or arylalkyne with the catalystTAKASAGO PERFUMERY CO LTD·Filed 2001·Granted Sep 24, 2002·5 cites·20 claims
- 2067US5910610ATriphenylamine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptorTAKASAGO PERFUMERY CO LTD·Filed 1996·Granted Jun 8, 1999·13 cites·4 claims
- 2166US6489522B2Process for producing optically active 3,7-dimethyl-6-octenol and process for producing intermediate thereforTAKASAGO PERFUMERY CO LTD·Filed 2001·Granted Dec 3, 2002·3 cites·5 claims
- 2266US5736284ACarbazole derivative charge transporting material using the same and electrophotographic photoreceptorTAKASAGO PERFUMERY CO LTD·Filed 1997·Granted Apr 7, 1998·10 cites·3 claims
- 2365US8313755B2Clear aqueous ceramide compositionSHIROYAMA KENICHIRO·Filed 2001·Granted Nov 20, 2012·4 cites·19 claims
- 2464US6150065AElectrophotographic photoreceptorTAKASAGO PERFUMERY CO LTD·Filed 1999·Granted Nov 21, 2000·16 cites·4 claims
- 2561US5882813AElectrophotographic photoreceptorTAKASAGO PERFUMERY CO LTD·Filed 1997·Granted Mar 16, 1999·15 cites·2 claims
- 2659US6759557B2Melanin production inhibitors and skincare products containing such inhibitorsTAKASAGO PERFUMERY CO LTD·Filed 2002·Granted Jul 6, 2004·2 cites·17 claims
- 2758US6570035B2Process for producing pivaloyl-acetic acid esterTAKASAGO PERFUMERY CO LTD·Filed 2001·Granted May 27, 2003·2 cites·7 claims
- 2857US6323174B1Diene compound and process for producing the sameTAKASAGO PERFUMERY CO LTD·Filed 2000·Granted Nov 27, 2001·1 cites·7 claims
- 2957US5229238AElectrophotographic photoreceptor comprising a benzodithiafulvene derivative charge transport materialTAKASAGO PERFUMERY CO LTD·Filed 1991·Granted Jul 20, 1993·11 cites·3 claims
- 3056US6043380ARuthenium-I0D0-optically active phosphine complexTAKASAGO PERFUMERY CO LTD·Filed 1999·Granted Mar 28, 2000·6 cites·25 claims
- 3155US6228547B1Bis(3,4-methylenedioxyphenylamino) derivatives and electrophotographic photoreceptor containing the derivativesTAKASAGO PERFUMERY CO LTD·Filed 1999·Granted May 8, 2001·11 cites·6 claims
- 3254US6645254B1Aromatic bleaching agent compositionTAKASAGO PERFUMERY CO LTD·Filed 2001·Granted Nov 11, 2003·2 cites·6 claims
- 3354US5716542ALiquid crystal compound and liquid crystal composition containing the sameTAKASAGO PERFUMERY CO LTD·Filed 1996·Granted Feb 10, 1998·5 cites·10 claims
- 3450US5840811AOptically active block polyester copolymer and method for production thereofTAKASAGO PERFUMERY CO LTD·Filed 1997·Granted Nov 24, 1998·10 cites·8 claims
- 3547US6486353B2Process for producing optically active 3,7-dimethyl-6-octenol and process for producing intermediate thereforTAKASAGO PERFUMERY CO LTD·Filed 2002·Granted Nov 26, 2002·0 cites·5 claims
- 3646US6930083B2Isomer composition excellent in chemical resistance containing optically active trans-1-(2,2,6-trimethylcyclohexyl)-2-buten-1-one and fragrance compositions containing the isomer compositionTAKASAGO PERFUMERY CO LTD·Filed 2003·Granted Aug 16, 2005·0 cites·4 claims
- 3746US6770618B2(1S,6R)-2,2,6-Trimethylcyclohexyl methyl ketone and/or (1R,6S)-2,2,6-trimethylcyclohexyl methyl ketone, process for producing the same, and perfume composition containing the sameTAKASAGO PERFUMERY CO LTD·Filed 2001·Granted Aug 3, 2004·0 cites·8 claims
- 3845US5827448AFerroelectric liquid crystal deviceSEMICONDUCTOR ENERGY LAB·Filed 1991·Granted Oct 27, 1998·8 cites·17 claims
- 3944US6365776B1Process for producing aromatic aminesTAKASAGO PERFUMERY CO LTD·Filed 2001·Granted Apr 2, 2002·0 cites·6 claims
- 4044US2003207789A1Isomer composition containing optically active ethyl trans-2,2,6-trimethylcyclohexylcarboxylate and fragrance composition containing the isomer compositionTAKASAGO PERFUMERY CO LTD·Filed 2003·Application pending·0 cites
- 4140US5463128A1,4-bis(4,4-diphenyl-1,3-butadienyl)benzene derivative and electrophotographic photoreceptor using the sameTAKASAGO PERFUMERY CO LTD·Filed 1994·Granted Oct 31, 1995·1 cites·2 claims
- 4240US5290477AOptically active compound and liquid crystal composition containing the sameTAKASAGO PERFUMERY CO LTD·Filed 1993·Granted Mar 1, 1994·5 cites·2 claims
- 4339US6528074B2Lipid composition containing a liquid crystal structureTAKASAGO PERFUMERY CO LTD·Filed 2001·Granted Mar 4, 2003·0 cites·6 claims
- 4439US5981771ARuthenium-optically active phosphine complex, process for the preparation thereof and process for the preparation of optically active 4-methyl-2-oxetanone using sameTAKASAGO PERFUMERY CO LTD·Filed 1998·Granted Nov 9, 1999·5 cites·3 claims
- 4538US6239324B1Diene compound and process for producing the sameTAKASAGO PERFUMERY CO LTD·Filed 1999·Granted May 29, 2001·3 cites·14 claims
- 4638US5667722AAntiferroelectric liquid crystal compound and antiferroelectric liquid crystal composition containing the sameTAKASAGO PERFUMERY CO LTD·Filed 1996·Granted Sep 16, 1997·1 cites·8 claims
- 4737US5820782AOptically active compound and antiferroelectric liquid crystal composition containing the sameTAKASAGO PERFUMERY CO LTD·Filed 1997·Granted Oct 13, 1998·4 cites·3 claims
- 4836US5631344ABlock copolymer of polyesters and polycarbonates and process for preparation thereofTAKASAGO PERFUMERY CO LTD·Filed 1995·Granted May 20, 1997·4 cites·18 claims
- 4935US5521042A1,4-bis(2',2'-diphenylvinyl)benzene derivative and charge transporting material and electrophotographic photoreceptor using the sameTAKASAGO PERFUMERY CO LTD·Filed 1994·Granted May 28, 1996·2 cites·6 claims
- 5035US5275756AFluorine-containing optically active compound and liquid crystal composition containing the sameTAKASAGO PERFUMERY CO LTD·Filed 1991·Granted Jan 4, 1994·4 cites·2 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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