Inventor · disambiguated record
Akinobu Matsuyama
Also filed as: MATSUYAMA AKINOBU
36 granted patents·7 pending applications·626 citations·filing 1984–2022
97Inventor score
Files withDAICEL CHEM38DAICEL CORP2DAICEL CHEMICAL IND LTD A JAPA1FONTEC R&D CO LTD1MATSUMURA EITARO1
Top patents by PatentIndex Score
43 records- 0196US5413922AProcess for producing optically active 1,3-butanediol by reduction of 4-hydroxy-2-butanoneDAICEL CHEM·Filed 1993·Granted May 9, 1995·103 cites·13 claims
- 0295US5559030AProcesses for production of optically active 4-halo-3-hydroxybutyric acid estersDAICEL CHEM·Filed 1994·Granted Sep 24, 1996·161 cites·8 claims
- 0391US6432688B1Amino alcohol dehydrogenase converts keto alcohol to amino alcohol and amino alcohol to keto alcoholDAICEL CHEM·Filed 2000·Granted Aug 13, 2002·48 cites·2 claims
- 0489US5763236AMethod for producing ketone or aldehyde using an alcohol dehydrogenase of Candida ParapsilosisDAICEL CHEM·Filed 1996·Granted Jun 9, 1998·58 cites·8 claims
- 0585US6905861B2D-aminoacylases, method for producing the same, and method for producing D-amino acids using the sameDAICEL CHEM·Filed 2002·Granted Jun 14, 2005·9 cites·11 claims
- 0683US5356812AProcesses for production of optically active 3-phenyl-1,3-propanediol by asymmetric assimilationDAICEL CHEM·Filed 1991·Granted Oct 18, 1994·49 cites·12 claims
- 0780US5371014AProcess for the production of optically active 2-hydroxy acid esters using microbes to reduce the 2-oxo precursorDAICEL CHEM·Filed 1993·Granted Dec 6, 1994·49 cites·28 claims
- 0879US6255092B1Stereospecific alcohol dehydrogenase isolated from Candida parapsilosis, amino acid and DNA sequences therefor, and method of preparation thereofDAICEL CHEM·Filed 1997·Granted Jul 3, 2001·24 cites·7 claims
- 0974US5512465AProcess for producing optically active 1,3-butanediolDAICEL CHEM·Filed 1994·Granted Apr 30, 1996·36 cites·13 claims
- 1072US6780619B2D-aminoacylase and gene encoding the sameDAICEL CHEM·Filed 2001·Granted Aug 24, 2004·2 cites·9 claims
- 1170US6902915B2Heat-stable D-aminoacylaseDAICEL CHEM·Filed 2003·Granted Jun 7, 2005·3 cites·11 claims
- 1268US11896043B2Intestinal immune-enhancing agent, food product, and medicamentDAICEL CORP·Filed 2021·Granted Feb 13, 2024·0 cites·5 claims
- 1367US6887697B2D-aminoacylase and gene encoding the sameDAICEL CHEM·Filed 2003·Granted May 3, 2005·1 cites·3 claims
- 1467US5811293AProcesses for producing optically active 2-amino-1-phenylethanol derivatives by reduction of the corresponding ketoneDAICEL CHEM·Filed 1996·Granted Sep 22, 1998·9 cites·3 claims
- 1565US5916781AMethod for producing D-tryptophanDAICEL CHEM·Filed 1998·Granted Jun 29, 1999·10 cites·15 claims
- 1664US5932454AMethod of producing carboxylic acidsDAICEL CHEM·Filed 1997·Granted Aug 3, 1999·10 cites·26 claims
- 1763US5629200AProduction of optically active 2-amino-1-phenylethanol derivatives by asymetrical assimilationDAICEL CHEM·Filed 1994·Granted May 13, 1997·6 cites·4 claims
- 1860US6900037B2Method for producing amide compoundsDAICEL CHEM·Filed 2002·Granted May 31, 2005·1 cites·7 claims
- 1960US6596528B2Heat-stable D-aminoacylaseDAICEL CHEM·Filed 2001·Granted Jul 22, 2003·1 cites·8 claims
- 2059US4794081AProcess for the preparation of riboflavinDAICEL CHEM·Filed 1984·Granted Dec 27, 1988·10 cites·11 claims
- 2157US2024285709A1Monk fruit extract and method for producing sameFONTEC R&D CO LTD·Filed 2022·Application pending·0 cites
- 2255US2003170869A1D-aminoacylases, method for producing the same, and method for producing D-amino acids using the sameDAICEL CHEMICAL IND LTD A JAPA·Filed 2003·Application pending·0 cites
- 2351US6514742B1D-aminoacylases, method for producing the same, and method for producing D-amino acids using the sameDAICEL CHEM·Filed 1999·Granted Feb 4, 2003·6 cites·4 claims
- 2450US5888804AProcesses for production of optically active quinuclidinolDAICEL CHEM·Filed 1998·Granted Mar 30, 1999·4 cites·6 claims
- 2550US2020288762A1Intestinal immune-enhancing agent, food product, and medicamentDAICEL CORP·Filed 2018·Application pending·0 cites
- 2648US2003143701A1Processes for producing optically active 2-amino-1-phenylethanol derivativesDAICEL CHEM·Filed 2002·Application pending·0 cites
- 2744US5194380AProcess for the production of optically active 2-hydroxy-4-phenyl-3-butenoic acidDAICEL CHEM·Filed 1989·Granted Mar 16, 1993·3 cites·3 claims
- 2843US7300784B2Nitrile hydratase and a method for producing amidesDAICEL CHEM·Filed 2002·Granted Nov 27, 2007·0 cites·7 claims
- 2943US6664083B2Methods for racemizing N-acylamino acids and producing optically active amino acidsDAICEL CHEM·Filed 2001·Granted Dec 16, 2003·0 cites·25 claims
- 3042US5672504AProcess for enriching an R,S!-1,2-epoxide in one enantiomer by using microbes to convert one enantiomer to the other or to preferentially open the epoxide ringDAICEL CHEM·Filed 1995·Granted Sep 30, 1997·10 cites·10 claims
- 3136US6699695B1Rhodococcus microorganisms and process for producing amide compoundsDAICEL CHEM·Filed 1999·Granted Mar 2, 2004·2 cites·10 claims
- 3235US5256552AProcess for the production of optically active 2-hydroxy-4-phenylbutyric acidDAICEL CHEM·Filed 1992·Granted Oct 26, 1993·4 cites·9 claims
- 3334US5219757AProduction of optically active 1,3-butanediol by asymmetric assimilation or reduction of 4-hydroxy-2-butanoneDAICEL CHEM·Filed 1989·Granted Jun 15, 1993·3 cites·2 claims
- 3433US5401660AProcess for producing optically active 1,3-butanediol by asymmetric assimilationDAICEL CHEM·Filed 1992·Granted Mar 28, 1995·0 cites·13 claims
- 3533US5326705AProcess for producing optically active 1,3-butandiol by asymmetric assimilationDAICEL CHEM·Filed 1992·Granted Jul 5, 1994·0 cites·7 claims
- 3633US5126248AProcess for preparation of riboflavinDAICEL CHEM·Filed 1989·Granted Jun 30, 1992·2 cites·10 claims
- 3733US2012142050A1Novel expression vectorMATSUMURA EITARO·Filed 2010·Application pending·0 cites
- 3832US5288620AProcess for the production of optically active 2-hydroxy-4-phenyl-3-butenoic acidDAICEL CHEM·Filed 1992·Granted Feb 22, 1994·0 cites·2 claims
- 3931US5554532ABacteria useful for production of optically active 3-phenyl-1,3-propanediolDAICEL CHEM·Filed 1994·Granted Sep 10, 1996·1 cites·4 claims
- 4031US5336619AProcess for producing optically active 1,3-butanediolDAICEL CHEM·Filed 1991·Granted Aug 9, 1994·1 cites·11 claims
- 4131US2002064847A1Novel secondary alcohol dehydrogenase, process for preparing said enzyme, and process for preparing alcohols and ketones using said enzymeDAICEL CHEM·Filed 1997·Application pending·0 cites
- 4229US5429935AProcess for the production of optically active 2-hydroxy-4-phenyl-3-butenoic acidDAICEL CHEM·Filed 1993·Granted Jul 4, 1995·0 cites·12 claims
- 4328US2003027306A1Novel amino alcohol dehydrogenase, method for producing said enzyme, and use of said enzymeDAICEL CHEM·Filed 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Akinobu Matsuyama files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →