Sakichi Ashida

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Fuchu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for and method of determining properties of saw substrates
- Patent number 4,595,853
- Issue date Jun 17, 1986
- Hitachi, Ltd.
- Kazuyuki Nagatsuma
- G01 - MEASURING TESTING
Information Patent Grant
Three electrode piezoelectric ceramic resonator
- Patent number 4,490,641
- Issue date Dec 25, 1984
- Hitachi, Ltd.
- Hiroshi Takeuchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Ultrasonic probe
- Patent number 4,458,172
- Issue date Jul 3, 1984
- Hitachi, Ltd.
- Hiroshi Takeuchi
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Piezoelectric single crystal and surface acoustic wave element empl...
- Patent number 4,333,842
- Issue date Jun 8, 1982
- Hitachi, Ltd.
- Yukio Ito
- C30 - CRYSTAL GROWTH
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Piezoelectric ceramics
- Patent number 4,243,541
- Issue date Jan 6, 1981
- Hitachi, Ltd.
- Hiroshi Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS