Akira Honma

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Nagaoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing a neutral paper
- Patent number 4,902,382
- Issue date Feb 20, 1990
- Hokuetsu Paper Mills, Ltd.
- Takao Sakabe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for making paper using a substituted succinic anhydride as...
- Patent number 4,849,055
- Issue date Jul 18, 1989
- Seiko Kagaku Kogyo Co., Ltd.
- Shigehiko Yoshioka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE