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Chiyo Yamamoto
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Suzuka-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Separating agent for optical isomer
Patent number
10,836,834
Issue date
Nov 17, 2020
Daicel Corporation
Yoshio Okamoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Polysaccharide derivative and separating agent for optical isomer c...
Patent number
9,499,638
Issue date
Nov 22, 2016
Daicel Corporation
Yoshio Okamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Filler for optical isomer separation
Patent number
8,124,712
Issue date
Feb 28, 2012
National University Corporation Nagoya University
Yoshio Okamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Filler for optical isomer separation
Patent number
8,053,543
Issue date
Nov 8, 2011
National University Corporation Nagoya University
Yoshio Okamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Separating agent for enantiomeric isomers and method of producing t...
Patent number
7,938,962
Issue date
May 10, 2011
Daicel Chemical Industries, Ltd.
Yoshio Okamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Separating agent for enantiomeric isomers
Patent number
7,772,153
Issue date
Aug 10, 2010
Daicel Chemical Industries, Ltd.
Yoshio Okamoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Chitosan derivative and method of producing same
Patent number
7,772,382
Issue date
Aug 10, 2010
National University Corporation Nagoya University
Yoshio Okamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Bead for enantiomeric isomer resolution and process for producing t...
Patent number
7,745,616
Issue date
Jun 29, 2010
National University Corporation, Nagoya University
Yoshio Okamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Separating agent including polysaccharide derivative having a polyc...
Patent number
7,740,758
Issue date
Jun 22, 2010
Daicel Chemical Industries, Ltd.
Yoshio Okamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Separating agent for enantiomeric isomers
Patent number
7,683,167
Issue date
Mar 23, 2010
Daicel Chemical Industries, Ltd.
Yoshio Okamoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Separating agent for optical isomer and method for preparation thereof
Patent number
7,323,101
Issue date
Jan 29, 2008
Daicel Chemical Industries, Ltd.
Yoshio Okamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Separating agent for enantiomeric isomers
Patent number
7,223,334
Issue date
May 29, 2007
Daicel Chemical Industries, Ltd.
Yoshio Okamoto
G01 - MEASURING TESTING
Information
Patent Grant
Separating agent including polysaccharide derivative having a polyc...
Patent number
7,156,989
Issue date
Jan 2, 2007
Daicel Chemical Industries, Ltd.
Yoshio Okamoto
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
SEPARATING AGENT FOR OPTICAL ISOMER
Publication number
20160326267
Publication date
Nov 10, 2016
National University Corporation Nagoya University
Yoshio OKAMOTO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLYSACCHARIDE DERIVATIVE AND SEPARATING AGENT FOR OPTICAL ISOMER C...
Publication number
20140128597
Publication date
May 8, 2014
Yoshio Okamoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILLER FOR OPTICAL ISOMER SEPARATION
Publication number
20120165516
Publication date
Jun 28, 2012
Daicel Chemical Industries, Ltd.
Yoshio OKAMOTO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
SEPARATING AGENT FOR OPTICAL ISOMER
Publication number
20100099861
Publication date
Apr 22, 2010
Yoshio Okamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polysaccharide derivative and separating agent for optical isomer c...
Publication number
20090264639
Publication date
Oct 22, 2009
Yoshio Okamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Filler for Optical Isomer Separation
Publication number
20090124798
Publication date
May 14, 2009
Yoshio Okamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Filler for Optical Isomer Separation
Publication number
20090105440
Publication date
Apr 23, 2009
Yoshio Okamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Bead for Enantiomeric Isomer Resolution and Process for Producing t...
Publication number
20090068468
Publication date
Mar 12, 2009
Yoshio Okamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Chitosan Derivative and Method of Producing Same
Publication number
20090062519
Publication date
Mar 5, 2009
Yoshio Okamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Separating agent for optical isomers, method of production thereof,...
Publication number
20080167460
Publication date
Jul 10, 2008
Yoshio Okamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Separating agent for enantiomeric isomers and method of producing t...
Publication number
20080081897
Publication date
Apr 3, 2008
Daicel Chemical Industries, Ltd.
Yoshio Okamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Separating agent for enantiomeric isomers
Publication number
20070215549
Publication date
Sep 20, 2007
Daicel Chemical Industries, Ltd.
Yoshio Okamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Separating agent for enantiomeric isomers
Publication number
20070039890
Publication date
Feb 22, 2007
Yoshio Okamoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Separating agent including polysaccharide derivative having a polyc...
Publication number
20070029242
Publication date
Feb 8, 2007
Daicel Chemical Industries, Ltd.
Yoshio Okamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Separating agent for chromatography and process for producing the same
Publication number
20060219615
Publication date
Oct 5, 2006
Yoshio Okamoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Separating agent for enantiomeric isomers
Publication number
20060189796
Publication date
Aug 24, 2006
Yoshio Okamoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Separating agent for optical isomer and method for preparation thereof
Publication number
20050222454
Publication date
Oct 6, 2005
Yoshio Okamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Separating agent for enantiomeric isomers
Publication number
20050045561
Publication date
Mar 3, 2005
Daicel Chemical Industries, Ltd.
Yoshio Okamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Separating agent for optical isomers, method of production thereof,...
Publication number
20040262229
Publication date
Dec 30, 2004
Yoshio Okamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Separatory agent comprising polysacciiaride derivative having polyc...
Publication number
20040065608
Publication date
Apr 8, 2004
Yoshio Okamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Separatory agent for optical isomer
Publication number
20040045896
Publication date
Mar 11, 2004
Yoshio Okamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Separating agent for optical isomer
Publication number
20030141252
Publication date
Jul 31, 2003
Yoshio Okamoto
C07 - ORGANIC CHEMISTRY