Takahiro Sakamoto

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Mie, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metal-graphite brush and production method thereof
- Patent number 6,758,881
- Issue date Jul 6, 2004
- TRIS Inc.
- Takayoshi Otani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal-graphite brush
- Patent number 6,700,292
- Issue date Mar 2, 2004
- TRIS Inc.
- Takayoshi Otani
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Metal-graphite brush and production method thereof
- Publication number 20030190249
- Publication date Oct 9, 2003
- TRIS Inc.
- Takayoshi Otani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Metal-graphite brush
- Publication number 20030107294
- Publication date Jun 12, 2003
- TRIS Inc.
- Takayoshi Otani
- H01 - BASIC ELECTRIC ELEMENTS