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Junichi Maruyama

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Patents Grantslast 30 patents

  • Information Patent Grant

    Key switch device and keyboard
    • Patent number 9,842,710
    • Issue date Dec 12, 2017
    • Fujitsu Component Limited
    • Junichi Maruyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Key switch device, and method of manufacturing key switch device
    • Patent number 9,214,294
    • Issue date Dec 15, 2015
    • Fujitsu Component Limited
    • Junichi Maruyama
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Push button-type switch device
    • Patent number 8,759,705
    • Issue date Jun 24, 2014
    • Fujitsu Component Limited
    • Katsuya Funakoshi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Key switch and keyboard
    • Patent number 8,624,140
    • Issue date Jan 7, 2014
    • Fujitsu Component Limited
    • Takeshi Nishino
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Keyboard
    • Patent number 8,436,265
    • Issue date May 7, 2013
    • Fujitsu Component Limited
    • Tamotsu Koike
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Key switch device
    • Patent number 8,431,852
    • Issue date Apr 30, 2013
    • Fujitsu Component Limited
    • Junichi Maruyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Key switch unit
    • Patent number 8,207,465
    • Issue date Jun 26, 2012
    • Fujitsu Component Limited
    • Junichi Maruyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Key switch and keyboard
    • Patent number 6,618,239
    • Issue date Sep 9, 2003
    • Fujitsu Limited
    • Kouki Takahashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Key switch and keyboard
    • Patent number 6,501,038
    • Issue date Dec 31, 2002
    • Fujitsu Takamisawa Component Limited
    • Kazutoshi Hayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Key switch and keyboard
    • Patent number 6,376,789
    • Issue date Apr 23, 2002
    • Fujitsu Takamisawa Component Ltd.
    • Junichi Maruyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Key switch with sliding mechanism and keyboard
    • Patent number 6,257,782
    • Issue date Jul 10, 2001
    • Fujitsu Limited
    • Junichi Maruyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Key switch, keyboard and portable information processing unit with...
    • Patent number 5,874,696
    • Issue date Feb 23, 1999
    • Fujitsu Takamisawa Component Limited
    • Kazutoshi Hayashi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Keyswitch having a reduced height and a keyboard using such a keysw...
    • Patent number 5,813,521
    • Issue date Sep 29, 1998
    • Fujitsu Takamisawa Component Limited
    • Tamotsu Koike
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    KEY SWITCH DEVICE AND KEYBOARD
    • Publication number 20160093455
    • Publication date Mar 31, 2016
    • FUJITSU COMPONENT LIMITED
    • Junichi MARUYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    KEY SWITCH DEVICE, AND METHOD OF MANUFACTURING KEY SWITCH DEVICE
    • Publication number 20140138234
    • Publication date May 22, 2014
    • FUJITSU COMPONENT LIMITED
    • Junichi Maruyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PUSH BUTTON-TYPE SWITCH DEVICE
    • Publication number 20120228107
    • Publication date Sep 13, 2012
    • FUJITSU COMPONENT LIMITED
    • Katsuya FUNAKOSHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    KEY SWITCH DEVICE
    • Publication number 20110056818
    • Publication date Mar 10, 2011
    • FUJITSU COMPONENT LIMITED
    • Junichi Maruyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    KEY SWITCH UNIT
    • Publication number 20100294638
    • Publication date Nov 25, 2010
    • FUJITSU COMPONENT LIMITED
    • Junichi Maruyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    KEYBOARD
    • Publication number 20080237012
    • Publication date Oct 2, 2008
    • FUJITSU COMPONENT LIMITED
    • Tamotsu Koike
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Key switch and keyboard
    • Publication number 20080006516
    • Publication date Jan 10, 2008
    • FUJITSU COMPONENT LIMITED
    • Takeshi Nishino
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Key switch and keyboard
    • Publication number 20020185364
    • Publication date Dec 12, 2002
    • Kouki Takahashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Key switch and keyboard
    • Publication number 20010030119
    • Publication date Oct 18, 2001
    • Junichi Maruyama
    • H01 - BASIC ELECTRIC ELEMENTS