Yuki OI

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Crystal resonator
- Patent number 10,498,311
- Issue date Dec 3, 2019
- Nihon Dempa Kogyo Co., Ltd.
- Shigeru Obara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Quartz crystal device
- Patent number 10,476,472
- Issue date Nov 12, 2019
- Nihon Dempa Kogyo Co., Ltd.
- Yuki Oi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Crystal resonator
- Patent number 10,425,059
- Issue date Sep 24, 2019
- Nihon Dempa Kogyo Co., Ltd.
- Shigeru Obara
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
QUARTZ CRYSTAL DEVICE
- Publication number 20180254762
- Publication date Sep 6, 2018
- NIHON DEMPA KOGYO CO., LTD.
- Yuki OI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CRYSTAL RESONATOR
- Publication number 20170302249
- Publication date Oct 19, 2017
- NIHON DEMPA KOGYO CO., LTD.
- Shigeru OBARA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CRYSTAL RESONATOR
- Publication number 20170279434
- Publication date Sep 28, 2017
- NIHON DEMPA KOGYO CO., LTD.
- Shigeru OBARA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CRYSTAL RESONATOR
- Publication number 20170257077
- Publication date Sep 7, 2017
- NIHON DEMPA KOGYO CO., LTD.
- Shigeru OBARA
- H03 - BASIC ELECTRONIC CIRCUITRY