Hiroaki Yamada

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Crystal resonator including blank and supporting portion
- Patent number 9,543,923
- Issue date Jan 10, 2017
- Nihon Dempa Kogyo Co., Ltd.
- Hiroaki Yamada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Piezoelectric vibration element and piezoelectric device
- Patent number 9,209,379
- Issue date Dec 8, 2015
- Nihon Dempa Kogyo Co., Ltd.
- Hiroaki Yamada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Piezoelectric vibrating piece and piezoelectric device
- Patent number 9,106,200
- Issue date Aug 11, 2015
- Nihon Dempa Kogyo Co., Ltd.
- Takehiro Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
GT-cut quartz crystal resonator
- Patent number 8,957,569
- Issue date Feb 17, 2015
- Nihon Dempa Kogyo Co., Ltd.
- Takashi Yamaguchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electronic component for surface mounting
- Patent number 8,053,953
- Issue date Nov 8, 2011
- Nihon Dempa Kogyo Co., Ltd.
- Hiroaki Yamada
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Reusable stud welding ferrule containing boron nitride
- Patent number 5,135,154
- Issue date Aug 4, 1992
- Okabe Co., Ltd.
- Mikihiko Yoshida
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Arc stud welding machine
- Patent number 5,049,717
- Issue date Sep 17, 1991
- Okabe Co., Ltd.
- Mikihiko Yoshida
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
CRYSTAL RESONATOR
- Publication number 20150180446
- Publication date Jun 25, 2015
- NIHON DEMPA KOGYO CO., LTD.
- HIROAKI YAMADA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PIEZOELECTRIC VIBRATION ELEMENT AND PIEZOELECTRIC DEVICE
- Publication number 20130214648
- Publication date Aug 22, 2013
- NIHON DEMPA KOGYO CO., LTD.
- HIROAKI YAMADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PIEZOELECTRIC VIBRATING PIECE AND PIEZOELECTRIC DEVICE
- Publication number 20130020911
- Publication date Jan 24, 2013
- NIHON DEMPA KOGYO CO., LTD.
- Takehiro Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
GT-CUT QUARTZ CRYSTAL RESONATOR
- Publication number 20120212107
- Publication date Aug 23, 2012
- NIHON DEMPA KOGYO CO., LTD.
- Takashi Yamaguchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ELECTRONIC COMPONENT FOR SURFACE MOUNTING
- Publication number 20100060108
- Publication date Mar 11, 2010
- NIHON DEMPA KOGYO CO., LTD.
- Hiroaki Yamada
- B81 - MICRO-STRUCTURAL TECHNOLOGY

Hiroaki Yamada

Person

Patents Grantslast 30 patents

Crystal resonator including blank and supporting portion

Piezoelectric vibration element and piezoelectric device

Piezoelectric vibrating piece and piezoelectric device

GT-cut quartz crystal resonator

Electronic component for surface mounting

Reusable stud welding ferrule containing boron nitride

Arc stud welding machine

Patents Applicationslast 30 patents

CRYSTAL RESONATOR

PIEZOELECTRIC VIBRATION ELEMENT AND PIEZOELECTRIC DEVICE

PIEZOELECTRIC VIBRATING PIECE AND PIEZOELECTRIC DEVICE

GT-CUT QUARTZ CRYSTAL RESONATOR

ELECTRONIC COMPONENT FOR SURFACE MOUNTING