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Nagaizuni, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-layer paper peelable into at least two thin sheets
Patent number
6,977,111
Issue date
Dec 20, 2005
Ricoh Company, Ltd.
Hideyuki Yamaguchi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Aramid paper with high surface smoothness
Patent number
5,667,900
Issue date
Sep 16, 1997
E. I. Du Pont de Nemours and Company
Ippei Kato
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Heat resistant, flame resistant conducting sheet having an electric...
Patent number
5,316,839
Issue date
May 31, 1994
E. I. Du Pont de Nemours and Company
Ippei Kato
B32 - LAYERED PRODUCTS
Patents Applications
last 30 patents
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Patent Application
Multi-layer paper peelable into at least two thin sheets
Publication number
20020153110
Publication date
Oct 24, 2002
Hideyuki Yamaguchi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE