Yoshifusa Ueno

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Tokorozawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Crystal resonator with plural electrodes for use in a crystal oscil...
- Patent number 5,132,643
- Issue date Jul 21, 1992
- Nihon Dempa Kogyo Co., Ltd.
- Yoshifusa Ueno
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Quartz crystal oscillator with temperature-compensated frequency ch...
- Patent number 5,004,988
- Issue date Apr 2, 1991
- Nihon Dempa Kogyo Co., Ltd.
- Yoshifusa Ueno
- H03 - BASIC ELECTRONIC CIRCUITRY