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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polymethine ether compounds
Patent number
7,709,660
Issue date
May 4, 2010
Yamamoto Chemicals, Inc.
Nobuaki Sasaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Nonsolvate-form crystal of polymethine compound and process for pro...
Patent number
7,485,404
Issue date
Feb 3, 2009
Yamamoto Chemicals, Inc.
Keiki Chichiishi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymethine ethers
Patent number
7,446,212
Issue date
Nov 4, 2008
Yamamoto Chemicals, Inc.
Nobuaki Sasaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phthalide compound and a near infrared absorber and a recording mat...
Patent number
5,627,287
Issue date
May 6, 1997
Yamamoto Chemicals, Inc.
Hiroyuki Sasaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Crystal modifications of 2-m-toluidino-3-methyl-6-di-n-butylaminofl...
Patent number
5,438,032
Issue date
Aug 1, 1995
Yamamoto Chemicals, Inc.
Shigeo Fujita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Crystal modification of 2-(3-methylanilion)-3-methyl-6-diethylamino...
Patent number
5,376,617
Issue date
Dec 27, 1994
Yamamoto Chemicals, Inc.
Yojiro Kumagae
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Crystal modifications of 2-M-toluidino-3-methyl-6-di-N-butylaminofl...
Patent number
5,342,967
Issue date
Aug 30, 1994
Yamamoto Chemicals, Inc.
Shigeo Fujita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Crystal modification of 2-(3-methylanilino)-3-methyl-6-diethylamino...
Patent number
5,338,866
Issue date
Aug 16, 1994
Yamamoto Chemicals, Inc.
Yojiro Kumagae
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Polymethine ether compounds
Publication number
20090012310
Publication date
Jan 8, 2009
Nobuaki Sasaki
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Nonsolvate-Form Crystal of Polymethine Compound, Process for Produc...
Publication number
20080091033
Publication date
Apr 17, 2008
YAMAMOTO CHEMICALS, INC.
Shigeo Fujita
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Nonsolvate-form crystal of polymethine compound and process for pro...
Publication number
20070083048
Publication date
Apr 12, 2007
Keiki Chichiishi
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Polymethine ethers
Publication number
20060167272
Publication date
Jul 27, 2006
Nobuaki Sasaki
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Polymethine compound, a process for its production, and use of the...
Publication number
20020051939
Publication date
May 2, 2002
Nobuaki Sasaki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...