Masashi Tamakoshi

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Kokubunji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor integrated circuit forming a switched capacitor filter
- Patent number 4,835,482
- Issue date May 30, 1989
- Hitachi, Ltd.
- Masashi Tamakoshi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Integrated switched-capacitor filter with improved frequency charac...
- Patent number 4,769,612
- Issue date Sep 6, 1988
- Hitachi, Ltd.
- Masashi Tamakoshi
- H03 - BASIC ELECTRONIC CIRCUITRY