Mari Matsuyoshi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic device and optical transmission module
- Patent number 6,635,971
- Issue date Oct 21, 2003
- Hitachi, Ltd.
- Toyoki Asada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Packaging structure and method of packaging electronic parts
- Patent number 6,589,802
- Issue date Jul 8, 2003
- Hitachi, Ltd.
- Toyoki Asada
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Electronic device and optical transmission module
- Publication number 20020090162
- Publication date Jul 11, 2002
- Toyoki Asada
- G02 - OPTICS