Ryuichi Takahashi

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Kita-machi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for coating a surface
- Patent number 6,706,330
- Issue date Mar 16, 2004
- Ciba Specialty Chemicals Corporation
- Ryuichi Takahashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Nitrogen doped carbon-coated effect pigments and their manufacture
- Patent number 6,436,538
- Issue date Aug 20, 2002
- Ciba Specialty Chemicals Corporation
- Ryuichi Takahashi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Colored effect pigments and their use
- Patent number 5,855,660
- Issue date Jan 5, 1999
- Ciba Specialty Chemicals Corporation
- Patrice Bujard
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Nitrogen doped carbon-coated effect pigments and their manufacture
- Publication number 20020188039
- Publication date Dec 12, 2002
- Ryuichi Takahashi
- C01 - INORGANIC CHEMISTRY