Ryuji Hasegawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 7,244,439
- Issue date Jul 17, 2007
- Kao Corporation
- Yuko Yago
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20040001869
- Publication date Jan 1, 2004
- Yuko Yago
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE