Kenji Kamezawa

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Sayama-Shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Piezoelectric vibrating devices and methods for manufacturing same
- Patent number 8,729,775
- Issue date May 20, 2014
- Nihon Dempa Kogyo Co., Ltd.
- Mitoshi Umeki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method of manufacturing the piezoelectric device and the same
- Patent number 8,618,721
- Issue date Dec 31, 2013
- Nihon Dempa Kogyo Co., Ltd.
- Ryoichi Ichikawa
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
SURFACE MOUNT TYPE PIEZOELECTRIC DEVICE
- Publication number 20130049541
- Publication date Feb 28, 2013
- NIHON DEMPA KOGYO CO., LTD.
- YOSHIAKI AMANO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method for Manufacturing a Piezoelectric Device and the Same
- Publication number 20120068579
- Publication date Mar 22, 2012
- NIHON DEMPA KOGYO CO., LTD.
- Ryoichi Ichikawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method of Manufacturing the Piezoelectric Device and the Same
- Publication number 20120043859
- Publication date Feb 23, 2012
- NIHON DEMPA KOGYO CO., LTD.
- Ryoichi Ichikawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PIEZOELECTRIC VIBRATING DEVICES AND METHODS FOR MANUFACTURING SAME
- Publication number 20110316390
- Publication date Dec 29, 2011
- Nihon Dempa Kogyo Co., Ltd.
- Mitoshi Umeki
- H03 - BASIC ELECTRONIC CIRCUITRY