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Hiroshi Fujii
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Ichihara, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Rewritable recording material
Patent number
8,697,601
Issue date
Apr 15, 2014
Nippon Soda Co., Ltd.
Satoshi Kodama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Color-developing composition and recording material containing the...
Patent number
8,546,299
Issue date
Oct 1, 2013
Nippon Soda Co., Ltd.
Hiroshi Fujii
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Color-developing compositions and recording material containing same
Patent number
8,420,568
Issue date
Apr 16, 2013
Nippon Soda Co., Ltd.
Satoshi Kodama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Recording material and recording sheet
Patent number
7,390,771
Issue date
Jun 24, 2008
Nippon Soda Co., Ltd.
Tadashi Kawakami
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Triazine derivatives and recording materials prepared therefrom
Patent number
6,143,060
Issue date
Nov 7, 2000
Nippon Soda Co., Ltd.
Hiroshi Fujii
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Diphenyl sulfone derivative and recording material prepared therefrom
Patent number
6,103,661
Issue date
Aug 15, 2000
Nippon Soda Co., Ltd.
Hiroshi Fujii
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Diphenyl sulfone crosslinking type compounds and recording material...
Patent number
6,037,308
Issue date
Mar 14, 2000
Nippon Soda Co., Ltd.
Takehiro Sato
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Diphenyl sulfone derivative and recording material prepared therefrom
Patent number
5,801,288
Issue date
Sep 1, 1998
Nippon Soda Co., Ltd.
Hiroshi Fujii
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
REWRITABLE RECORDING MATERIAL
Publication number
20130244873
Publication date
Sep 19, 2013
Nippon Soda Co., Ltd.
Satoshi Kodama
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Rewritable recording material
Publication number
20110287931
Publication date
Nov 24, 2011
Nippon Soda Co., Ltd.
Satoshi Kodama
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COLOR-DEVELOPING COMPOSITION AND RECORDING MATERIAL CONTAINING THE...
Publication number
20110104619
Publication date
May 5, 2011
Nippon Soda Co., Ltd.
Hiroshi Fujii
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
COLOR-DEVELOPING COMPOSITIONS AND RECORDING MATERIAL CONTAINING SAME
Publication number
20110045973
Publication date
Feb 24, 2011
Nippon Soda Ltd.
Satashi Kodama
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Recording material comprising diphenyl sulfone derivative and novel...
Publication number
20060063669
Publication date
Mar 23, 2006
Nippon Soda Co., Ltd.
Tomoya Hidaka
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Recording material and recording sheet
Publication number
20050148468
Publication date
Jul 7, 2005
Nippon Soda Co., Ltd.
Tadashi Kawakami
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS