Toru Tejima

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Long wavelength ultraviolet ray absorber
- Patent number 4,710,373
- Issue date Dec 1, 1987
- Kao Corporation
- Koichi Nakamura
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
4-methoxy-2'-carboxydibenzoylmethane and its salts
- Patent number 4,704,473
- Issue date Nov 3, 1987
- Kao Corporation
- Koichi Nakamura
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE