Tetsuya Watanabe

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Piezoelectric device and manufacturing method of the same
- Patent number 11,824,516
- Issue date Nov 21, 2023
- Nihon Dempa Kogyo Co., Ltd.
- Kenji Shimao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Piezoelectric device, piezoelectric vibrating piece, and method for...
- Patent number 11,296,275
- Issue date Apr 5, 2022
- Nihon Dempa Kogyo Co., Ltd.
- Tetsuya Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
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
Process for producing triarylsulfonium salt
- Patent number 7,642,368
- Issue date Jan 5, 2010
- Wako Pure Chemical Industries, Ltd.
- Motoshige Sumino
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PIEZOELECTRIC DEVICE AND MANUFACTURING METHOD OF THE SAME
- Publication number 20210135650
- Publication date May 6, 2021
- NIHON DEMPA KOGYO CO., LTD.
- KENJI SHIMAO
- H01 - BASIC ELECTRIC ELEMENTS
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
PIEZOELECTRIC DEVICE, PIEZOELECTRIC VIBRATING PIECE, AND METHOD FOR...
- Publication number 20190097123
- Publication date Mar 28, 2019
- NIHON DEMPA KOGYO CO., LTD.
- Tetsuya WATANABE
- 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
Process for producing triarylsulfonium salt
- Publication number 20070083060
- Publication date Apr 12, 2007
- Motoshige Sumino
- C07 - ORGANIC CHEMISTRY