KAZUHIRO HIROTA

Person

SAITAMA, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Piezoelectric device and manufacturing method of the same
- Patent number 12,101,075
- Issue date Sep 24, 2024
- Nihon Dempa Kogyo Co., Ltd.
- Tetsuya Watanabe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surface acoustic wave device
- Patent number 11,405,015
- Issue date Aug 2, 2022
- NDK SAW Devices Co., Ltd.
- Yuya Hiratsuka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surface acoustic wave device
- Patent number 11,296,672
- Issue date Apr 5, 2022
- NDK SAW Devices Co., Ltd.
- Yuya Hiratsuka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Piezoelectric vibrating piece and piezoelectric device
- Patent number 10,873,315
- Issue date Dec 22, 2020
- Nihon Dempa Kogyo Co., Ltd.
- Shigetaka Kaga
- H03 - BASIC ELECTRONIC CIRCUITRY
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 resonator
- Patent number 10,763,821
- Issue date Sep 1, 2020
- Nihon Dempa Kogyo Co., Ltd.
- Shigetaka Kaga
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Piezoelectric vibrating piece and piezoelectric device
- Patent number 10,277,197
- Issue date Apr 30, 2019
- Nihon Dempa Kogyo Co., Ltd.
- Shigetaka Kaga
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
AT-cut crystal element, crystal resonator and crystal unit
- Patent number 10,250,225
- Issue date Apr 2, 2019
- Nihon Dempa Kogyo Co., Ltd.
- Yoshiharu Sato
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surface acoustic wave device and oscillator circuit
- Patent number 9,369,109
- Issue date Jun 14, 2016
- Nihon Dempa Kogyo Co., Ltd.
- Kazuhiro Hirota
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surface acoustic wave device and electronic component
- Patent number 9,059,676
- Issue date Jun 16, 2015
- Nihon Dempa Kogyo Co., Ltd.
- Kazuhiro Hirota
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
PIEZOELECTRIC DEVICE AND MANUFACTURING METHOD OF THE SAME
- Publication number 20220263487
- Publication date Aug 18, 2022
- NIHON DEMPA KOGYO CO., LTD.
- Tetsuya WATANABE
- 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
SURFACE ACOUSTIC WAVE DEVICE
- Publication number 20190267966
- Publication date Aug 29, 2019
- NIHON DEMPA KOGYO CO., LTD.
- Yuya HIRATSUKA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SURFACE ACOUSTIC WAVE DEVICE
- Publication number 20190260348
- Publication date Aug 22, 2019
- NIHON DEMPA KOGYO CO., LTD.
- Yuya HIRATSUKA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PIEZOELECTRIC VIBRATING PIECE AND PIEZOELECTRIC DEVICE
- Publication number 20180205364
- Publication date Jul 19, 2018
- NIHON DEMPA KOGYO CO., LTD.
- Shigetaka KAGA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PIEZOELECTRIC VIBRATING PIECE AND PIEZOELECTRIC DEVICE
- Publication number 20180115301
- Publication date Apr 26, 2018
- NIHON DEMPA KOGYO CO., LTD.
- Shigetaka KAGA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CRYSTAL RESONATOR
- Publication number 20180054181
- Publication date Feb 22, 2018
- NIHON DEMPA KOGYO CO., LTD.
- Shigetaka KAGA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AT-CUT CRYSTAL ELEMENT, CRYSTAL RESONATOR AND CRYSTAL UNIT
- Publication number 20170187349
- Publication date Jun 29, 2017
- NIHON DEMPA KOGYO CO., LTD.
- Yoshiharu SATO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PIEZOELECTRIC VIBRATING PIECE AND PIEZOELECTRIC DEVICE
- Publication number 20170187348
- Publication date Jun 29, 2017
- NIHON DEMPA KOGYO CO., LTD.
- Shigetaka KAGA
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
SURFACE ACOUSTIC WAVE DEVICE AND OSCILLATOR CIRCUIT
- Publication number 20150137903
- Publication date May 21, 2015
- NIHON DEMPA KOGYO CO., LTD.
- KAZUHIRO HIROTA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SURFACE ACOUSTIC WAVE DEVICE AND ELECTRONIC COMPONENT
- Publication number 20130093538
- Publication date Apr 18, 2013
- NIHON DEMPA KOGYO CO., LTD.
- KAZUHIRO HIROTA
- H03 - BASIC ELECTRONIC CIRCUITRY

KAZUHIRO HIROTA

Person

Patents Grantslast 30 patents

Piezoelectric device and manufacturing method of the same

Surface acoustic wave device

Surface acoustic wave device

Piezoelectric vibrating piece and piezoelectric device

Crystal unit and manufacturing method thereof

Crystal resonator

Piezoelectric vibrating piece and piezoelectric device

AT-cut crystal element, crystal resonator and crystal unit

Surface acoustic wave device and oscillator circuit

Surface acoustic wave device and electronic component

Patents Applicationslast 30 patents

PIEZOELECTRIC DEVICE AND MANUFACTURING METHOD OF THE SAME

CRYSTAL UNIT AND MANUFACTURING METHOD THEREOF

SURFACE ACOUSTIC WAVE DEVICE

SURFACE ACOUSTIC WAVE DEVICE

PIEZOELECTRIC VIBRATING PIECE AND PIEZOELECTRIC DEVICE

PIEZOELECTRIC VIBRATING PIECE AND PIEZOELECTRIC DEVICE

CRYSTAL RESONATOR

AT-CUT CRYSTAL ELEMENT, CRYSTAL RESONATOR AND CRYSTAL UNIT

PIEZOELECTRIC VIBRATING PIECE AND PIEZOELECTRIC DEVICE

SURFACE ACOUSTIC WAVE DEVICE AND OSCILLATOR CIRCUIT

SURFACE ACOUSTIC WAVE DEVICE AND ELECTRONIC COMPONENT