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Akio Kayano
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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing 1,2-dihydropyridine-2-one compound
Patent number
9,045,426
Issue date
Jun 2, 2015
Eisai R&D Management Co., Ltd.
Itaru Arimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing 1, 2-dihydropyridine-2-one compound
Patent number
8,772,497
Issue date
Jul 8, 2014
Eisai R&D Management Co., Ltd.
Itaru Arimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing 1, 2-dihydropyridine-2-one compound
Patent number
8,304,548
Issue date
Nov 6, 2012
Eisai R&D Management Co., Ltd.
Akio Kayano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Methods for producing cyclic benzamidine derivatives
Patent number
7,375,236
Issue date
May 20, 2008
Eisai Co., Ltd.
Naoyuki Shimomura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Carbapenem compound crystals and interjection preparations
Patent number
7,084,268
Issue date
Aug 1, 2006
Eisai Co., Ltd.
Hiroyuki Chiba
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for the preparation of basic antibiotic-inorganic acid addi...
Patent number
6,642,377
Issue date
Nov 4, 2003
Eisai Co., Ltd.
Akio Kayano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing stereoisomer of pyrrolidine derivative
Patent number
6,620,945
Issue date
Sep 16, 2003
Eisai Co., Ltd.
Toyokazu Haga
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of pyridine derivatives
Patent number
6,313,303
Issue date
Nov 6, 2001
Eisai Co., Ltd.
Katsuya Tagami
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING 1,2-DIHYDROPYRIDINE-2-ONE COMPOUND
Publication number
20140142315
Publication date
May 22, 2014
Eisai R&D Management Co., Ltd.
Itaru Arimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PRODUCTION OF 4- (SUBSTITUTED PHENYL) HEXAHYDROPYRIDO [...
Publication number
20100280243
Publication date
Nov 4, 2010
Akio Kayano
C07 - ORGANIC CHEMISTRY
Information
Patent Application
NOVEL INTERMEDIATE FOR HALICHONDRIN B ANALOG SYNTHESIS AND NOVEL DE...
Publication number
20090203771
Publication date
Aug 13, 2009
Eisai R&D Management Co., Ltd.
Kazato INANAGA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for producing 1, 2-dihydropyridine-2-one compound
Publication number
20070142640
Publication date
Jun 21, 2007
Eisai R&D Management Co., Ltd.
Itaru Arimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Methods for producing cyclic benzamidine derivatives
Publication number
20060058370
Publication date
Mar 16, 2006
Eisai Co., Ltd.
Naoyuki Shimomura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Carbapenem compound crystals and injection preparations
Publication number
20060040916
Publication date
Feb 23, 2006
EISAI CO., LTD.
Hiroyuki Chiba
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Pyrrolidine derivatives and method of synthesizing these
Publication number
20040236118
Publication date
Nov 25, 2004
Katsuya Tagami
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing stereoisomer of pyrrolidine derivative
Publication number
20030004208
Publication date
Jan 2, 2003
Toyokazu Haga
C07 - ORGANIC CHEMISTRY