Nobutaka Yamamoto

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous liquid composition of fluorescent brightener excellent in d...
- Patent number 6,994,734
- Issue date Feb 7, 2006
- Nippon Kayaku Kabushiki Kaisha
- Toru Yamaguchi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Aqueous liquid composition of fluorescent brightener excellent in d...
- Publication number 20040111812
- Publication date Jun 17, 2004
- Toru Yamaguchi
- C07 - ORGANIC CHEMISTRY