Keizo Otsuki

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Higashiyamato, JA

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Patents Grantslast 30 patents

Information Patent Grant
Single in-line high power resin-packaged semiconductor device havin...
- Patent number 4,095,253
- Issue date Jun 13, 1978
- Hitachi, Ltd.
- Masayoshi Yoshimura
- H01 - BASIC ELECTRIC ELEMENTS