Kouichi Hara

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Sayama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Crystal unit
- Patent number 8,030,827
- Issue date Oct 4, 2011
- Nihon Dempa Kogyo Co., Ltd.
- Takahiko Iwasaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Crystal unit
- Patent number 7,939,768
- Issue date May 10, 2011
- Nihon Dempa Kogyo Co., Ltd.
- Kouichi Hara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
IT-cut quartz crystal unit
- Patent number 7,011,887
- Issue date Mar 14, 2006
- Nihon Dempa Kogyo Co., Ltd.
- Shigeru Obara
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Crystal unit
- Publication number 20090252983
- Publication date Oct 8, 2009
- NIHON DEMPA KOGYO CO., LTD.
- Kouichi Hara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CRYSTAL UNIT
- Publication number 20090195126
- Publication date Aug 6, 2009
- NIHON DEMPA KOGYO CO., LTD.
- Takahiko IWASAKI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
IT-cut quartz crystal unit
- Publication number 20040173141
- Publication date Sep 9, 2004
- NIHON DEMPA KOGYO CO., LTD.
- Shigeru Obara
- C30 - CRYSTAL GROWTH