Masahiko Sugiyama

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Surface acoustic wave filter having unidirectional and bidirectiona...
- Patent number 6,127,904
- Issue date Oct 3, 2000
- NGK Insulators, Ltd.
- Mitsuhiro Tanaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surface acoustic wave filter device and transducer therefor having...
- Patent number 5,909,157
- Issue date Jun 1, 1999
- NGK Insulators, Ltd.
- Mitsuhiro Tanaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surface acoustic wave filer device having a cascade filter structur...
- Patent number 5,710,529
- Issue date Jan 20, 1998
- NGK Insulators, Ltd.
- Masahiko Sugiyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surface acoustic wave filter device and transducer therefor
- Patent number 5,663,695
- Issue date Sep 2, 1997
- NGK Insulators, Ltd.
- Mitsuhiro Tanaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surface acoustic wave filter device
- Patent number 5,294,859
- Issue date Mar 15, 1994
- Yamanouchi; Kazuhiko
- Kazuhiko Yamanouchi
- H03 - BASIC ELECTRONIC CIRCUITRY