Toshiaki Kurihara

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Kitasoma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of treating nickel-containing etching waste fluid
- Patent number 5,328,670
- Issue date Jul 12, 1994
- Nittetu Chemical Engineering, Ltd.
- Teruhiko Hirabayashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for recovering caustic alkali from spent alkali liquor
- Patent number 4,169,131
- Issue date Sep 25, 1979
- Nittetu Chemical Engineering Limited
- Yoshiaki Kinoshita
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE