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Yukiko Sato
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Kita-ku, JP
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last 30 patents
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Patent Grant
Phenolsulfonic acid aryl ester, developing agent, and heat-sensitiv...
Patent number
9,073,376
Issue date
Jul 7, 2015
Nippon Paper Industries Co., Ltd.
Akihito Ogino
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phenolsulfonic acid aryl ester derivative, and heat-sensitive recor...
Patent number
8,975,212
Issue date
Mar 10, 2015
Mitsubishi Chemical Corporation
Mai Higuchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Coating solution for heat-sensitive color-developing layer, and hea...
Patent number
8,470,735
Issue date
Jun 25, 2013
Nippon Paper Industries Co., Ltd.
Yoshimune Aosaki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
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Patent Application
PHENOLSULFONIC ACID ARYL ESTER, DEVELOPING AGENT, AND HEAT-SENSITIV...
Publication number
20140315713
Publication date
Oct 23, 2014
NIPPON PAPER INDUSTRIES CO., LTD.
Akihito Ogino
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
NOVEL PHENOLSULFONIC ACID ARYL ESTER DERIVATIVE, AND HEAT-SENSITIVE...
Publication number
20130237414
Publication date
Sep 12, 2013
Nippon Paper Industries Co., Ltd.
Mai Higuchi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
COATING SOLUTION FOR HEAT-SENSITIVE COLOR-DEVELOPING LAYER, AND HEA...
Publication number
20120157303
Publication date
Jun 21, 2012
API CORPORATION
Yoshimune Aosaki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS