Takao Hattori

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Compound, polymer prepared from the compound, and composition compr...
- Patent number 6,703,468
- Issue date Mar 9, 2004
- Pola Chemical Industries Inc.
- Michi Otiai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Benzo[b]pyran derivatives useful as external agents...
- Patent number 6,495,524
- Issue date Dec 17, 2002
- Pola Chemical Industries Inc.
- Takao Hattori
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE