HIROKI SEKIGUCHI

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Patents Grantslast 30 patents

Information Patent Grant
Quartz crystal device
- Patent number 11,296,674
- Issue date Apr 5, 2022
- Nihon Dempa Kogyo Co., Ltd.
- Akihiro Sakanashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Piezoelectric devices and methods for manufacturing the same
- Patent number 8,686,621
- Issue date Apr 1, 2014
- Nihon Dempa Kogyo Co., Ltd.
- Hiroki Sekiguchi
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
QUARTZ CRYSTAL DEVICE
- Publication number 20190052245
- Publication date Feb 14, 2019
- NIHON DEMPA KOGYO CO., LTD.
- Akihiro SAKANASHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PIEOZELECTRIC DEVICES AND METHODS FOR MANUFACTURING THE SAME
- Publication number 20120212105
- Publication date Aug 23, 2012
- NIHON DEMPA KOGYO CO., LTD.
- HIROKI SEKIGUCHI
- H03 - BASIC ELECTRONIC CIRCUITRY