Isamu Hoshino

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Planar type thickness shear mode quartz oscillator
- Patent number 4,710,731
- Issue date Dec 1, 1987
- Seikosha Co., Ltd.
- Mitsuyuki Sugita
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Overtone crystal oscillator
- Patent number 4,709,218
- Issue date Nov 24, 1987
- Seikosha Co., Ltd.
- Nakanobu Moritani
- H03 - BASIC ELECTRONIC CIRCUITRY