Katsumi Yamamoto

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Ibaragi, JA

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing plastic base caps for split cavity type packag...
- Patent number 3,981,074
- Issue date Sep 21, 1976
- Nitto Electric Industrial Co., Ltd.
- Katsumi Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making plastic sealed cavity molded type semi-conductor d...
- Patent number 3,947,953
- Issue date Apr 6, 1976
- Nitto Electric Industrial Co., Ltd.
- Takeshi Okada
- H01 - BASIC ELECTRIC ELEMENTS