Kenichi Watanabe

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Nishikasugai-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light-emitting device
- Patent number 6,680,490
- Issue date Jan 20, 2004
- Toyoda Gosei Co., Ltd.
- Takemasa Yasukawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Light-emitting device
- Publication number 20030006421
- Publication date Jan 9, 2003
- Takemasa Yasukawa
- H01 - BASIC ELECTRIC ELEMENTS