Hitoshi Ikeno

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Koganei, JP

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Patents Grantslast 30 patents

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
Information Patent Grant
Hermetically sealed package
- Patent number 4,420,652
- Issue date Dec 13, 1983
- Seikosha Co., Ltd.
- Hitoshi Ikeno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrode configuration for thickness-shear mode piezoelectric vibr...
- Patent number 4,370,584
- Issue date Jan 25, 1983
- Seikosha Co., Ltd.
- Hitoshi Ikeno
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Thickness-shear piezo-electric vibrator with additional mass for mo...
- Patent number 4,262,227
- Issue date Apr 14, 1981
- Kabushiki Kaisha Seikosha
- Hitoshi Ikeno
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Thickness-shear mode quartz oscillator with an added non-circular mass
- Patent number 4,211,947
- Issue date Jul 8, 1980
- Kabushiki Kaisha Seikosha
- Hitoshi Ikeno
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Process for preparing quartz oscillator
- Patent number 4,183,126
- Issue date Jan 15, 1980
- Kabushiki Kaisha Seikosha
- Hitoshi Ikeno
- H03 - BASIC ELECTRONIC CIRCUITRY