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Hiroaki Ichikawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Dielectric ceramic composition
    • Patent number 5,073,523
    • Issue date Dec 17, 1991
    • Murata Mfg. Co.
    • Masayuki Yamada
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Dielectric ceramic composition
    • Patent number 4,820,670
    • Issue date Apr 11, 1989
    • Murata Manufacturing Co., Ltd.
    • Harunobu Sano
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Semiconductor integrated circuit device
    • Patent number 4,791,474
    • Issue date Dec 13, 1988
    • Fujitsu Limited
    • Yoshihide Sugiura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 4,412,237
    • Issue date Oct 25, 1983
    • Fujitsu Limited
    • Nobutake Matsumura
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    CONVERSION ADAPTER
    • Publication number 20230049540
    • Publication date Feb 16, 2023
    • Murata Manufacturing Co., Ltd.
    • Hiroaki ICHIKAWA
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    CONVERSION ADAPTER
    • Publication number 20230043532
    • Publication date Feb 9, 2023
    • Murata Manufacturing Co., Ltd.
    • Kouki EJIRI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE