Shinobu YOSHIDA

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Crystal unit and manufacturing method thereof
- Patent number 10,840,882
- Issue date Nov 17, 2020
- Nihon Dempa Kogyo Co., Ltd.
- Koji Toshikawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Crystal unit and manufacturing method thereof
- Patent number 10,819,307
- Issue date Oct 27, 2020
- Nihon Dempa Kogyo Co., Ltd.
- Yoshiharu Sato
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Crystal unit
- Patent number 10,771,038
- Issue date Sep 8, 2020
- Nihon Dempa Kogyo Co., Ltd.
- Koji Toshikawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Quartz-crystal devices exhibiting reduced crystal impedance
- Patent number 8,541,928
- Issue date Sep 24, 2013
- Nihon Dempa Kogyo Co., Ltd.
- Kenji Shimao
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
CRYSTAL UNIT
- Publication number 20190326876
- Publication date Oct 24, 2019
- NIHON DEMPA KOGYO CO., LTD.
- Koji TOSHIKAWA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CRYSTAL UNIT AND MANUFACTURING METHOD THEREOF
- Publication number 20190326882
- Publication date Oct 24, 2019
- NIHON DEMPA KOGYO CO., LTD.
- Koji TOSHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CRYSTAL UNIT AND MANUFACTURING METHOD THEREOF
- Publication number 20190051814
- Publication date Feb 14, 2019
- NIHON DEMPA KOGYO CO., LTD.
- Yoshiharu SATO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
QUARTZ-CRYSTAL DEVICES EXHIBITING REDUCED CRYSTAL IMPEDANCE
- Publication number 20120242193
- Publication date Sep 27, 2012
- Nihon Dempa Kogyo Co., Ltd.
- Kenji SHIMAO
- H03 - BASIC ELECTRONIC CIRCUITRY