Ryuichi Kawai

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Patents Grantslast 30 patents

Information Patent Grant
Piezoelectric resonator unit and method for manufacturing the piezo...
- Patent number 11,309,864
- Issue date Apr 19, 2022
- Murata Manufacturing Co., Ltd.
- Hiroshi Ibaragi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Quartz crystal resonator and quartz crystal resonator unit
- Patent number 11,121,697
- Issue date Sep 14, 2021
- Murata Manufacturing Co., Ltd.
- Ryuichi Kawai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Piezoelectric resonator unit and manufacturing method for the same
- Patent number 10,476,475
- Issue date Nov 12, 2019
- MURATA MANUFACTURING CO., LTD.
- Ryuichi Kawai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Quartz crystal blank and quartz crystal resonator unit
- Patent number 10,135,420
- Issue date Nov 20, 2018
- MURATA MANUFACTURING CO., LTD.
- Hiroshi Ibaragi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Quartz crystal blank and quartz crystal resonator unit
- Patent number 9,985,604
- Issue date May 29, 2018
- MURATA MANUFACTURING CO., LTD.
- Hiroyuki Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
PIEZOELECTRIC RESONATOR UNIT AND METHOD FOR MANUFACTURING THE PIEZO...
- Publication number 20200220519
- Publication date Jul 9, 2020
- Murata Manufacturing Co., Ltd.
- Hiroshi Ibaragi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
QUARTZ CRYSTAL RESONATOR AND QUARTZ CRYSTAL RESONATOR UNIT
- Publication number 20180123560
- Publication date May 3, 2018
- Murata Manufacturing Co., Ltd.
- Ryuichi Kawai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
QUARTZ CRYSTAL BLANK AND QUARTZ CRYSTAL RESONATOR UNIT
- Publication number 20180083594
- Publication date Mar 22, 2018
- Murata Manufacturing Co., Ltd.
- Hiroshi lbaragi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
QUARTZ CRYSTAL BLANK AND QUARTZ CRYSTAL RESONATOR UNIT
- Publication number 20180083598
- Publication date Mar 22, 2018
- Murata Manufacturing Co., Ltd.
- HIROYUKI YAMAMOTO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PIEZOELECTRIC RESONATOR UNIT AND MANUFACTURING METHOD FOR THE SAME
- Publication number 20170366161
- Publication date Dec 21, 2017
- Murata Manufacturing Co., Ltd.
- Ryuichi Kawai
- H03 - BASIC ELECTRONIC CIRCUITRY