Toshiya Miyagawa

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Kitakoma-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing method for carbon material for electrical double laye...
- Patent number 6,013,208
- Issue date Jan 11, 2000
- Nippon Sanso Corporation
- Akihiro Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacturing method for carbon material for electrical double laye...
- Patent number 5,948,329
- Issue date Sep 7, 1999
- Nippon Sanso Corporation
- Takushi Ohsaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of production for active carbon electrode for use as electri...
- Patent number 5,603,867
- Issue date Feb 18, 1997
- Nippon Sanso Corporation
- Takushi Ohsaki
- C01 - INORGANIC CHEMISTRY