Keisuke MIYASHITA

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Patents Grantslast 30 patents

Information Patent Grant
Quartz crystal element using a thickness shear hexagonal quartz bla...
- Patent number 6,031,319
- Issue date Feb 29, 2000
- Nihon Dempa Kogyo Co., Ltd.
- Mitsuaki Koyama
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
METAL BASE FOR CRYSTAL UNIT AND CRYSTAL UNIT USING THE SAME
- Publication number 20090167116
- Publication date Jul 2, 2009
- NIHON DEMPA KOGYO CO., LTD.
- Keisuke MIYASHITA
- H03 - BASIC ELECTRONIC CIRCUITRY