Toshio Tanaka

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Otsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Separator for secondary battery and method for producing the same
- Patent number 6,878,484
- Issue date Apr 12, 2005
- Toyo Boseki Kabushiki Kaisha
- Toshio Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery separator, process for producing the same, and alkaline bat...
- Patent number 6,821,680
- Issue date Nov 23, 2004
- Toyo Boseki Kabushiki Kaisha
- Toshio Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery separator, process for producing the same, and alkaline bat...
- Patent number 6,403,265
- Issue date Jun 11, 2002
- Toyo Boseki Kabushiki Kaisha
- Toshio Tanaka
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Battery separator, process for producing the same, and alkaline bat...
- Publication number 20020160260
- Publication date Oct 31, 2002
- Toshio Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Battery separator, process for producing the same, and alkaline bat...
- Publication number 20020155347
- Publication date Oct 24, 2002
- Toshio Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Separator for secondary battery and method for producing the same
- Publication number 20020076615
- Publication date Jun 20, 2002
- Toshio Tanaka
- H01 - BASIC ELECTRIC ELEMENTS