Masaru Yamabe

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Wakayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ascorbic acid derivatives and skin-whitening cosmetics
- Patent number 7,569,211
- Issue date Aug 4, 2009
- Toyo Beauty Co., Ltd.
- Hiroharu Shibayama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ascorbic acid derivatives and skin-whitening cosmetics
- Patent number 7,282,597
- Issue date Oct 16, 2007
- Toyo Beauty Co., Ltd.
- Hiroharu Shibayama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Ascorbic acid derivatives and skin-whitening cosmetics
- Publication number 20080253982
- Publication date Oct 16, 2008
- Hiroharu Shibayama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Ascorbic acid derivatives and skin-whitening cosmetics
- Publication number 20060264407
- Publication date Nov 23, 2006
- Hiroharu Shibayama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE