Reiko Hayami

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Kokubunji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heterojunction bipolar transistor
- Patent number 6,974,977
- Issue date Dec 13, 2005
- Hitachi, Ltd.
- Katsuyoshi Washio
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Heterojunction bipolar transistor
- Patent number 6,600,178
- Issue date Jul 29, 2003
- Hitachi, Ltd.
- Katsuyoshi Washio
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor device
- Publication number 20030205722
- Publication date Nov 6, 2003
- Katsuyoshi Washio
- H03 - BASIC ELECTRONIC CIRCUITRY