Inventor · disambiguated record
Hidenori Kumobayashi
Also filed as: KUMOBAYASHI HIDENORI
69 granted patents·820 citations·filing 1976–1997
99Inventor score
Files withTAKASAGO PERFUMERY CO LTD69
Top patents by PatentIndex Score
69 records- 0194US4739084ARuthenium-phosphine complexTAKASAGO PERFUMERY CO LTD·Filed 1987·Granted Apr 19, 1988·45 cites·5 claims
- 0289US4994590ARuthenium-phoshine complexTAKASAGO PERFUMERY CO LTD·Filed 1989·Granted Feb 19, 1991·27 cites·2 claims
- 0389US4604474ARhodium-phosphine complexTAKASAGO PERFUMERY CO LTD·Filed 1985·Granted Aug 5, 1986·26 cites·1 claims
- 0487US5430171AT-butyl (R)-(-)-4-cyano-3-hydroxybutyrate and process for preparing the sameTAKASAGO PERFUMERY CO LTD·Filed 1994·Granted Jul 4, 1995·26 cites·4 claims
- 0587US4895979AProcess for preparing carnitineTAKASAGO PERFUMERY CO LTD·Filed 1989·Granted Jan 23, 1990·24 cites·2 claims
- 0686US5206399A2,2'-bis(diphenylphosphino)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl and transition metal complex containing the same as ligandTAKASAGO PERFUMERY CO LTD·Filed 1991·Granted Apr 27, 1993·28 cites·6 claims
- 0786US4962230AProcess for producing optically active carboxylic acidTAKASAGO PERFUMERY CO LTD·Filed 1987·Granted Oct 9, 1990·25 cites·7 claims
- 0886US4851537AProcess for preparing N-acyltetrahydroisoquinolineTAKASAGO PERFUMERY CO LTD·Filed 1987·Granted Jul 25, 1989·22 cites·6 claims
- 0984US5012002A2,2'-bis(di-(m-tolyl)phosphino)-1,1'-binaphthylTAKASAGO PERFUMERY CO LTD·Filed 1990·Granted Apr 30, 1991·27 cites·1 claims
- 1084US4739085ARuthenium-phosphine complexTAKASAGO PERFUMERY CO LTD·Filed 1987·Granted Apr 19, 1988·22 cites·1 claims
- 1182US5847222AOptically active diphosphine compound, method for making the compound, transition metal complex having the compound as ligand and method for making optically active substance by use of the complexTAKASAGO PERFUMERY CO LTD·Filed 1997·Granted Dec 8, 1998·22 cites·5 claims
- 1282US5599954AN-substituted-7-amino-5-hydroxy-3-oxoheptanoic acid derivatives and method for producing the sameTAKASAGO PERFUMERY CO LTD·Filed 1996·Granted Feb 4, 1997·29 cites·10 claims
- 1382US5274146AWater-soluble alkali metal sulfonate-substituted binaphthylphosphine transition metal complex and enantioselective hydrogenation method using itTAKASAGO PERFUMERY CO LTD·Filed 1992·Granted Dec 28, 1993·24 cites·1 claims
- 1482US4994602AProcess for preparing optically active 6-t-butyoxy-3,5-dihydroxyhexanoic estersTAKASAGO PERFUMERY CO LTD·Filed 1990·Granted Feb 19, 1991·21 cites·10 claims
- 1582US4933482AProcess for preparing optically active alcoholTAKASAGO PERFUMERY CO LTD·Filed 1988·Granted Jun 12, 1990·18 cites·2 claims
- 1681US5530150APhosphine compound, complex containing the phosphine compound as ligand, process for producing optically active aldehyde using the phosphine compound or the complex, and 4-[(R)-1'-formylethyl]azetidin-2-one derivativesTAKASAGO PERFUMERY CO LTD·Filed 1994·Granted Jun 25, 1996·23 cites·11 claims
- 1781US4962242AProcess for producing optically active alcoholsTAKASAGO PERFUMERY CO LTD·Filed 1987·Granted Oct 9, 1990·17 cites·5 claims
- 1880US5312939A2,2'-bis (dicyclopentylphosphino)-1,1'-binaphthyl and transition metal complex using the same as ligandTAKASAGO PERFUMERY CO LTD·Filed 1991·Granted May 17, 1994·18 cites·12 claims
- 1980US4766225ARuthenium-phosphine complexTAKASAGO PERFUMERY CO LTD·Filed 1987·Granted Aug 23, 1988·15 cites·5 claims
- 2079US5066815AProcess for preparing optically active alcoholTAKASAGO PERFUMERY CO LTD·Filed 1990·Granted Nov 19, 1991·20 cites·2 claims
- 2179US4954644ARuthenium-phosphine complexTAKASAGO PERFUMERY CO LTD·Filed 1988·Granted Sep 4, 1990·18 cites·5 claims
- 2279US4766227ARuthenium-phosphine complexTAKASAGO PERFUMERY CO LTD·Filed 1987·Granted Aug 23, 1988·14 cites·4 claims
- 2378US5859249A2-phenyl-2-(2'-piperidinylidene)acetate derivative, process for manufacturing the same, and process for manufacturing optically active 2-phenyl-2-(2'-piperidinyl)acetate derivative by asymmetrically hydrogenating the sameTAKASAGO PERFUMERY CO LTD·Filed 1997·Granted Jan 12, 1999·23 cites·7 claims
- 2477US4695631AProcess for the preparation of enamines or iminesTAKASAGO PERFUMERY CO LTD·Filed 1982·Granted Sep 22, 1987·17 cites·1 claims
- 2576US4605750ARhodium-phosphine complexTAKASAGO PERFUMERY CO LTD·Filed 1984·Granted Aug 12, 1986·24 cites·1 claims
- 2675US4906773AProcess for preparing optically active threonineTAKASAGO PERFUMERY CO LTD·Filed 1988·Granted Mar 6, 1990·12 cites·2 claims
- 2774US5231202AOptically active tertiary phosphine compound and transition metal complex using the same as ligandTAKASAGO PERFUMERY CO LTD·Filed 1992·Granted Jul 27, 1993·18 cites·10 claims
- 2874US4916252AProcess for preparing optically active alcoholTAKASAGO PERFUMERY CO LTD·Filed 1988·Granted Apr 10, 1990·21 cites·3 claims
- 2968US5412109AProcess for preparing optically active 4-methyl-2-oxetanoneTAKASAGO PERFUMERY CO LTD·Filed 1993·Granted May 2, 1995·10 cites·6 claims
- 3068US5159093AIridium-optically active phosphine complex and process for producing optically active alcohols using the sameTAKASAGO PERFUMERY CO LTD·Filed 1991·Granted Oct 27, 1992·12 cites·2 claims
- 3167US5144042AProcess for preparing optically active 3-hydroxypyrrolidine derivativesTAKASAGO PERFUMERY CO LTD·Filed 1991·Granted Sep 1, 1992·10 cites·5 claims
- 3266US5324861AWater-soluble alkali metal sulfonate-substituted binaphthylphosphine transition metal complex and enantioselective hydrogenation method using itTAKASAGO PERFUMERY CO LTD·Filed 1993·Granted Jun 28, 1994·10 cites·1 claims
- 3365US5306834AProcess for preparing optically active 4-methyl-2-oxetanoneTAKASAGO PERFUMERY CO LTD·Filed 1993·Granted Apr 26, 1994·8 cites·7 claims
- 3464US4764629ARuthenium-phosphine complexTAKASAGO PERFUMERY CO LTD·Filed 1987·Granted Aug 16, 1988·7 cites·2 claims
- 3562US5756760A1-substituted-2-diphenylphosphinonaphthalene and transition metal complex comprising the same as a ligandTAKASAGO PERFUMERY CO LTD·Filed 1997·Granted May 26, 1998·10 cites·3 claims
- 3661US5502221AProcess for producing cyclohexylbutyric acid derivativeTAKASAGO PERFUMERY CO LTD·Filed 1995·Granted Mar 26, 1996·6 cites·1 claims
- 3760US4705895A5,5'-diamino or 5,5'-diacetamido-2,2'-bis(diphenylphosphino)-1,1'-binaphthylsTAKASAGO PERFUMERY CO LTD·Filed 1986·Granted Nov 10, 1987·9 cites·1 claims
- 3858US5210315AProcess for producing α-hydroxyketonesTAKASAGO PERFUMERY CO LTD·Filed 1991·Granted May 11, 1993·6 cites·2 claims
- 3958US5081239ARuthenium catalyzed process for preparing 4-acetoxyazetidinonesTAKASAGO PERFUMERY CO LTD·Filed 1989·Granted Jan 14, 1992·5 cites·3 claims
- 4056US4144257AProcess for preparing derivatives of conjugated diene dimersTAKASAGO PERFUMERY CO LTD·Filed 1976·Granted Mar 13, 1979·4 cites·12 claims
- 4155US5286888ARuthenium-phosphine complex and process for producing optically active 1-substituted-1,3-propanediols using the same as a catalystTAKASAGO PERFUMERY CO LTD·Filed 1992·Granted Feb 15, 1994·4 cites·8 claims
- 4254US5223632A2,2'-bis(di-(3,5-dialkylphenyl)phosphino)-1,1'-binaphthyl and transition metal complex containing the samd ligandTAKASAGO PERFUMERY CO LTD·Filed 1991·Granted Jun 29, 1993·15 cites·3 claims
- 4351US5824822APhospphine-phosinite compound and process for preparing 4- (R)-1'-formylethyl!-azetidin-2-one derivatives using the sameTAKASAGO PERFUMERY CO LTD·Filed 1996·Granted Oct 20, 1998·5 cites·3 claims
- 4450US5420306AProcess for producing optically active γ-butyrolactone derivativesTAKASAGO PERFUMERY CO LTD·Filed 1991·Granted May 30, 1995·12 cites·6 claims
- 4550US5349107AProcess for producing optically active γ-hydroxyketonesTAKASAGO PERFUMERY CO LTD·Filed 1993·Granted Sep 20, 1994·4 cites·14 claims
- 4649US5563295AProcess for producing optically active carboxylic acidTAKASAGO PERFUMERY CO LTD·Filed 1995·Granted Oct 8, 1996·8 cites·5 claims
- 4749US5286883A(3R,5S)-3,5,6-trihydroxyhexanoic acid derivative and production method thereofTAKASAGO PERFUMERY CO LTD·Filed 1992·Granted Feb 15, 1994·3 cites·1 claims
- 4849US4965398AProcess for producing optically active alpha-hydroxycarboxylatesTAKASAGO PERFUMERY CO LTD·Filed 1989·Granted Oct 23, 1990·3 cites·6 claims
- 4948US5808162AChiral unsymmetric diphosphine compound and transition metal complex containing the same as ligandTAKASAGO PERFUMERY CO LTD·Filed 1996·Granted Sep 15, 1998·12 cites·2 claims
- 5048US5523458AProcess for producing optically active diaminohexanone derivativeTAKASAGO PERFUMERY CO LTD·Filed 1994·Granted Jun 4, 1996·3 cites·8 claims
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