Masumi Ogasawara

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tooth bleaching compositions and methods of bleaching discolored tooth
- Patent number 6,843,981
- Issue date Jan 18, 2005
- Mitsubishi Gas Chemical Company, Inc.
- Takuro Ishibashi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Tooth bleaching agents and method of bleaching teeth
- Publication number 20040109829
- Publication date Jun 10, 2004
- Toru Nonami
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE