Hiroyuki Ohsu

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Ichikai-machi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Amine derivative and dermatologic preparation containing the same
- Patent number 5,723,497
- Issue date Mar 3, 1998
- Kao Corporation
- Yukihiro Ohashi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Singlet oxygen quenchers and external compositions containing the same
- Patent number 5,709,816
- Issue date Jan 20, 1998
- Kao Corporation
- Masakazu Yamaguchi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE