Kogi Sugita

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
High frequency power amplifying apparatus having amplifying stages...
- Patent number 6,658,243
- Issue date Dec 2, 2003
- Hitachi, Ltd.
- Hitoshi Akamine
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High frequency power amplifying apparatus having amplifying stages...
- Patent number 6,463,267
- Issue date Oct 8, 2002
- Hitachi, Ltd.
- Hitoshi Akamine
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
High frequency power amplifying apparatus having amplifying stages...
- Publication number 20020183029
- Publication date Dec 5, 2002
- Hitachi, Ltd.
- Hitoshi Akamine
- H01 - BASIC ELECTRIC ELEMENTS