Kazuhiko Ishizuka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Coated printing papers and processes for preparing them
- Patent number 9,034,435
- Issue date May 19, 2015
- Nippon Paper Industries Co., Ltd.
- Kazuhiko Ishizuka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Processes for preparing coated printing papers using hardwood mecha...
- Patent number 8,377,259
- Issue date Feb 19, 2013
- Nippon Paper Industries Co., Ltd.
- Osamu Kozuka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
COATED PRINTING PAPERS AND PROCESSES FOR PREPARING THEM
- Publication number 20140023844
- Publication date Jan 23, 2014
- Nippon Paper Industries Co., Ltd.
- Kazuhiko Ishizuka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Processes for preparing coated printing papers using hardwood mecha...
- Publication number 20110180224
- Publication date Jul 28, 2011
- NIPPON PAPER INDUSTRIES CO., LTD.
- Osamu Kozuka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE