Sadao Matsumura

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Surface acoustic wave device
- Patent number 4,672,255
- Issue date Jun 9, 1987
- Kabushiki Kaisha Toshiba
- Hitoshi Suzuki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Temperature compensated surface acoustic wave device
- Patent number 4,489,250
- Issue date Dec 18, 1984
- Tokyo Shibaura Denki Kabushiki Kaisha
- Yasuo Ebata
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Pyroelectric detector and method for manufacturing the same
- Patent number 4,383,174
- Issue date May 10, 1983
- Tokyo Shibaura Denki Kabushiki Kaisha
- Sadao Matsumura
- G01 - MEASURING TESTING
Information Patent Grant
Method of intermediate frequency filtration in a television receiver
- Patent number 4,245,200
- Issue date Jan 13, 1981
- Tokyo Shibaura Electric Co., Ltd.
- Sadao Takahashi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Elastic surface wave device
- Patent number 4,245,201
- Issue date Jan 13, 1981
- Tokyo Shibaura Electric Co., Ltd.
- Sadao Takahashi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS