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Hiroo Kajiwara

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  • Yamanashi-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Phosphor film
    • Patent number 10,793,771
    • Issue date Oct 6, 2020
    • Citizen Electronics Co., Ltd.
    • Norihiko Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Condensation reaction-type die bonding agent, LED light emitting de...
    • Patent number 10,461,232
    • Issue date Oct 29, 2019
    • Citizen Watch Co., Ltd.
    • Hiroo Kajiwara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vibrator
    • Patent number 7,692,346
    • Issue date Apr 6, 2010
    • Citizen Electronics Co., Ltd.
    • Kazuhiro Kobayashi
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Acoustic transducer
    • Patent number 7,680,294
    • Issue date Mar 16, 2010
    • Citizen Electronics Co., Ltd.
    • Hiroo Kajiwara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunction speaker
    • Patent number 7,454,031
    • Issue date Nov 18, 2008
    • Citizen Electronics Co., Ltd.
    • Hiroo Kajiwara
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Multifunction speaker
    • Patent number 7,386,138
    • Issue date Jun 10, 2008
    • Citizen Electronics Co., Ltd.
    • Hiroo Kajiwara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    CONDENSATION REACTION-TYPE DIE BONDING AGENT, LED LIGHT EMITTING DE...
    • Publication number 20180323355
    • Publication date Nov 8, 2018
    • CITIZEN WATCH CO., LTD
    • Hiroo Kajiwara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PHOSPHOR FILM
    • Publication number 20180251676
    • Publication date Sep 6, 2018
    • CITIZEN ELECTRONICS CO., LTD.
    • Norihiko KOBAYASHI
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ELECTROMAGNETIC EXCITER
    • Publication number 20090267423
    • Publication date Oct 29, 2009
    • Hiroo KAJIWARA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    VIBRATOR
    • Publication number 20080119768
    • Publication date May 22, 2008
    • Citizen Electronics Co., Ltd.
    • Kazuhiro Kobayashi
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Application

    Electrodynamic exciter
    • Publication number 20070291976
    • Publication date Dec 20, 2007
    • CITIZEN ELECTRONICS CO., LTD.
    • Hiroo Kajiwara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Acoustic transducer
    • Publication number 20060171554
    • Publication date Aug 3, 2006
    • Hiroo Kajiwara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Multifunction speaker
    • Publication number 20050207610
    • Publication date Sep 22, 2005
    • Hiroo Kajiwara
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Application

    Multifunction speaker
    • Publication number 20050180593
    • Publication date Aug 18, 2005
    • CITIZEN ELECTRONICS CO., LTD.
    • Hiroo Kajiwara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE