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Hirokazu IWATA

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  • SAITAMA, JP
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Patents Grantslast 30 patents

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
    • Publication number 20190326876
    • Publication date Oct 24, 2019
    • NIHON DEMPA KOGYO CO., LTD.
    • Koji TOSHIKAWA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • 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

    PIEZOELECTRIC DEVICE
    • Publication number 20180114893
    • Publication date Apr 26, 2018
    • NIHON DEMPA KOGYO CO., LTD.
    • Yoshiharu SATO
    • H01 - BASIC ELECTRIC ELEMENTS
  • 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

    CRYSTAL UNIT
    • Publication number 20170070207
    • Publication date Mar 9, 2017
    • NIHON DEMPA KOGYO CO., LTD.
    • Kenji SHIMAO
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    CRYSTAL UNIT
    • Publication number 20170070206
    • Publication date Mar 9, 2017
    • NIHON DEMPA KOGYO CO., LTD.
    • Yoshiharu SATO
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    AT-CUT CRYSTAL ELEMENT, CRYSTAL RESONATOR AND CRYSTAL UNIT
    • Publication number 20160294356
    • Publication date Oct 6, 2016
    • NIHON DEMPA KOGYO CO., LTD.
    • Takayuki KUWAHARA
    • H03 - BASIC ELECTRONIC CIRCUITRY