Ippei Kato

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Nagaizuni, JP

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Patents Grantslast 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
Information 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 Applicationslast 30 patents

Information 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