Ryoji WATANABE

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 7,943,870
- Issue date May 17, 2011
- Kabushiki Kaisha Tokai Rika Denki Seisakusho
- Ryoji Watanabe
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20090188780
- Publication date Jul 30, 2009
- KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
- Ryoji WATANABE
- H01 - BASIC ELECTRIC ELEMENTS