Hiroyuki Ishihara

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Hyogo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Piezoelectric resonator plate and piezoelectric resonator device
- Patent number 8,004,157
- Issue date Aug 23, 2011
- Daishinku Corporation
- Minoru Iizuka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Piezoelectric resonator device and method for manufacturing the same
- Patent number 7,902,731
- Issue date Mar 8, 2011
- Daishinku Corporation
- Hiroyuki Ishihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Quartz oscillator device
- Patent number 6,700,312
- Issue date Mar 2, 2004
- DAISHINKU CORPORATION
- Minoru Iizuka
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Piezoelectric Resonator Device and Method for Manufacturing the Same
- Publication number 20100213794
- Publication date Aug 26, 2010
- Daishinku Corporation
- Hiroyuki Ishihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Piezoelectric Resonator Plate and Piezoelectric Resonator Device
- Publication number 20080265717
- Publication date Oct 30, 2008
- Minoru Iizuka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Crystal vibration device
- Publication number 20020158699
- Publication date Oct 31, 2002
- Minoru Iizuka
- H03 - BASIC ELECTRONIC CIRCUITRY