Inventor · disambiguated record
Hiroyuki Nohira
Also filed as: NOHIRA HIROYUKI
45 granted patents·1 pending application·369 citations·filing 1981–2004
98Inventor score
Top patents by PatentIndex Score
46 records- 0189US4798680AOptically active compound, process for producing same and liquid crystal composition containing sameCANON KK·Filed 1986·Granted Jan 17, 1989·49 cites·21 claims
- 0283US5021593ARuthenium-optically active phosphine complexTAKASAGO PERFUMERY CO LTD·Filed 1990·Granted Jun 4, 1991·18 cites·6 claims
- 0382US4918213AOptically active compound and liquid crystal composition containing sameCANON KK·Filed 1988·Granted Apr 17, 1990·36 cites·10 claims
- 0480US4904410AMesomorphic compound and liquid crystal composition containing sameCANON KK·Filed 1988·Granted Feb 27, 1990·14 cites·21 claims
- 0576US4867903AFluoroalkane derivativeCANON KK·Filed 1987·Granted Sep 19, 1989·27 cites·45 claims
- 0671US5720898AMesomorphic compound, liquid crystal composition and liquid crystal deviceCANON KK·Filed 1994·Granted Feb 24, 1998·24 cites·21 claims
- 0771US5073306AOptically active compound and liquid crystal composition containing sameCANON KK·Filed 1989·Granted Dec 17, 1991·9 cites·22 claims
- 0871US4845272AProcess for the optical resolution of (±)-cis or (±)-trans-permethric acidKURARAY CO·Filed 1988·Granted Jul 4, 1989·9 cites·16 claims
- 0969US4892675AOptically active polymer and liquid crystal composition containing sameCANON KK·Filed 1988·Granted Jan 9, 1990·15 cites·12 claims
- 1068US7385080B2Method for producing optically active β-phenylalanine compoundsAJINOMOTO KK·Filed 2004·Granted Jun 10, 2008·4 cites·16 claims
- 1166US4917817AOptical active compound, process for producing same and liquid crystal composition containing sameCANON KK·Filed 1988·Granted Apr 17, 1990·15 cites·4 claims
- 1266US4904822AProcess for the optical resolution of (+)-2-hydroxy-4-phenylbutanoic acidKURARAY CO·Filed 1989·Granted Feb 27, 1990·7 cites·7 claims
- 1364US5371282AProcess for optical resolution of (+)-cis-4-aminocyclopent-2-en-1-carboxylic acid derivativeKURARAY CO·Filed 1993·Granted Dec 6, 1994·9 cites·4 claims
- 1463US4873018AOptically active compound, process for producing same and liquid crystal composition containing sameCANON KK·Filed 1987·Granted Oct 10, 1989·14 cites·21 claims
- 1559US5191112AProcess for optical resolution of (±)-2-(3-benzoyl)-phenylpropionic acidNISSAN CHEMICAL IND LTD·Filed 1990·Granted Mar 2, 1993·6 cites·5 claims
- 1656US5690858AMesomorphic compound, liquid crystal composition and liquid crystal deviceCANON KK·Filed 1996·Granted Nov 25, 1997·14 cites·18 claims
- 1756US5194177AOptically active compound, liquid crystal composition, liquid crystal device, display apparatus and display methodCANON KK·Filed 1992·Granted Mar 16, 1993·12 cites·28 claims
- 1856US5066826AProcess for racemization of optically active 4-phenylbutanoic acid estersKURARAY CO·Filed 1990·Granted Nov 19, 1991·5 cites·6 claims
- 1955US4340751AMethod of optical resolution of (±)-2-amino-1-butanol and/or (±)-mandelic acidNOHIRA HIROYUKI·Filed 1981·Granted Jul 20, 1982·6 cites·7 claims
- 2054US5087728AProcess for producing carboxylic acids and esters thereofTAKASAGO PERFUMERY CO LTD·Filed 1990·Granted Feb 11, 1992·4 cites·8 claims
- 2152US5792869AProcess for preparing optically active piperazine derivatives and Intermediates for preparationYAMAKAWA CHEMICAL IND·Filed 1995·Granted Aug 11, 1998·8 cites·11 claims
- 2250US5281362AOptically active compound, liquid crystal composition, liquid crystal device, display apparatus and display methodCANON KK·Filed 1992·Granted Jan 25, 1994·3 cites·28 claims
- 2350US5098600ALiquid crystal compound, liquid crystal composite including the compound and liquid crystal device utilizing the compositeCANON KK·Filed 1990·Granted Mar 24, 1992·9 cites·22 claims
- 2450US4950772AMethod of racemization of optically active tetrahydrofuran-2-carboxylic acidYAMAKAWA CHEMICAL IND·Filed 1989·Granted Aug 21, 1990·4 cites·6 claims
- 2548US5321154AOptical resolution of (±)-2-(4-isobutylphenyl)-propionic acidNAGASE & CO LTD·Filed 1992·Granted Jun 14, 1994·6 cites·4 claims
- 2648US4999130AOptically active compound, process for producing same and liquid crystal composition containing sameCANON KK·Filed 1990·Granted Mar 12, 1991·3 cites·8 claims
- 2746US5852209AProcess for optically resolving 2-(3-benzoylphenyl) propionic acidNAGASE & CO LTD·Filed 1997·Granted Dec 22, 1998·5 cites·14 claims
- 2845US4376213AMethod for optical resolution of 2-(4-chlorophenyl)-3-methylbutanoic acidSUMITOMO CHEMICAL CO·Filed 1982·Granted Mar 8, 1983·3 cites·6 claims
- 2942US6121494AMethod of producing optically active vinyl phosphine oxideNIPPON CHEMICAL IND·Filed 1999·Granted Sep 19, 2000·2 cites·4 claims
- 3042US5830386AOptically active compound, liquid crystal composition, device, display apparatus and display methodCANON KK·Filed 1996·Granted Nov 3, 1998·6 cites·32 claims
- 3142US4978666AOptically active piperazine derivativeNIPPON CHEMIPHAR CO·Filed 1989·Granted Dec 18, 1990·1 cites·4 claims
- 3242US2005065367A1Method for producing optically active beta-phenylalanineAJINOMOTO KK·Filed 2004·Application pending·0 cites
- 3340US6093846AProcess for preparing optically active 2-hydroxy-methyl-3-phenylpropionic acidAJINOMOTO KK·Filed 1999·Granted Jul 25, 2000·1 cites·14 claims
- 3440US6028217AOptically active salts of 2-hydroxymethyl-3-phenylpropionic acid with cis-1-amino-2-indanol, α-methylbenzylamine, or 3-methyl-2-phenyl-1-butylamineAJINOMOTO KK·Filed 1998·Granted Feb 22, 2000·1 cites·10 claims
- 3540US5075031AMesomorphic compound and liquid crystal composition containing the sameCANON KK·Filed 1989·Granted Dec 24, 1991·5 cites·25 claims
- 3638US5686020AMesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display methodCANON KK·Filed 1995·Granted Nov 11, 1997·1 cites·51 claims
- 3737US6069270AOptical resolution method of (±)-3,4-dihydroxybutanoic acidKURARAY CO·Filed 1997·Granted May 30, 2000·3 cites·8 claims
- 3835US5328639AFluoroalkane derivative, its composition and liquid crystal device using the sameCANON KK·Filed 1992·Granted Jul 12, 1994·3 cites·9 claims
- 3934US4621151AOptical resolution of DL-cysteineNOHIRA HIROYUKI·Filed 1982·Granted Nov 4, 1986·2 cites·1 claims
- 4033US6177591B1Optically active phosphine oxide carboxylic acid and method of producing the sameNIPPON CHEMICAL IND·Filed 1999·Granted Jan 23, 2001·0 cites·1 claims
- 4133US5217644AMesomorphic compound, liquid crystal composition containing same, liquid crystal device using same and display apparatusCANON KK·Filed 1991·Granted Jun 8, 1993·3 cites·15 claims
- 4233US5126071AOptically active compound, process for producing same and liquid crystal composition containing sameCANON KK·Filed 1991·Granted Jun 30, 1992·0 cites·8 claims
- 4332US6214196B1Method of producing bisphosphine oxideNIPPON CHEMICAL IND·Filed 1999·Granted Apr 10, 2001·1 cites·1 claims
- 4431US5556998ATransition metal complex, process for the preparation of the same, and asymmetric hydrogenation catalyst comprising the sameTAKASAGO PERFUMERY CO LTD·Filed 1995·Granted Sep 17, 1996·1 cites·20 claims
- 4531US5171470ABifunctional optically active liquid crystal intermediate compound, and process for preparing sameCANON KK·Filed 1990·Granted Dec 15, 1992·1 cites·8 claims
- 4630US6603032B11,2-bis(methyl(1,1,3,3-tetramethylbutyl)-phosphino)ethane, process the preparation thereof, transition metal complexes containing the same as a ligand and uses thereofNIPPON CHEMICAL IND·Filed 1999·Granted Aug 5, 2003·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →