Hideo Yamaguchi

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Naruto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for improving qualities of paper
- Patent number 4,230,525
- Issue date Oct 28, 1980
- Otsuka Chemical Co., Ltd.
- Hideo Yamaguchi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Bonding composition for incombustible fibrous materials
- Patent number 4,224,103
- Issue date Sep 23, 1980
- Otsuka Chemical Co. Ltd.
- Hideo Yamaguchi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES