Masami Osawa

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Tsurugashima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic-tuning type radio-frequency tuning circuit
- Patent number 5,864,267
- Issue date Jan 26, 1999
- Toko, Inc.
- Shigeru Hatada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Helical filter
- Patent number 5,066,932
- Issue date Nov 19, 1991
- Toko Kabushiki Kaisha
- Noboru Takada
- H01 - BASIC ELECTRIC ELEMENTS