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Akira Tsumiyama

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bicycle operating device
    • Patent number 8,695,454
    • Issue date Apr 15, 2014
    • Shimano Inc.
    • Akira Tsumiyama
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Bicycle control device
    • Patent number 8,549,956
    • Issue date Oct 8, 2013
    • Shimano Inc.
    • Yoshimitsu Miki
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle operating unit connector
    • Patent number 8,413,543
    • Issue date Apr 9, 2013
    • Shimano Inc.
    • Akira Tsumiyama
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Bicycle operating device
    • Patent number 8,201,476
    • Issue date Jun 19, 2012
    • Shimano Inc.
    • Akira Tsumiyama
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Position control mechanism for bicycle control device
    • Patent number 8,181,553
    • Issue date May 22, 2012
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle control device
    • Patent number 7,802,489
    • Issue date Sep 28, 2010
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Position control mechanism for bicycle control device
    • Patent number 7,650,813
    • Issue date Jan 26, 2010
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle shift position control mechanism
    • Patent number 7,526,979
    • Issue date May 5, 2009
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Hydraulic gear shift mechanism
    • Patent number 7,509,888
    • Issue date Mar 31, 2009
    • Shimano Inc.
    • Tadashi Ichida
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle shift control mechanism
    • Patent number 7,392,723
    • Issue date Jul 1, 2008
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle control device
    • Patent number 7,267,026
    • Issue date Sep 11, 2007
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle control device
    • Patent number 7,228,756
    • Issue date Jun 12, 2007
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Hydraulic gear shift mechanism
    • Patent number 7,219,574
    • Issue date May 22, 2007
    • Shimano Inc.
    • Tadashi Ichida
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Hydraulic gear shift mechanism
    • Patent number 7,137,314
    • Issue date Nov 21, 2006
    • Shimano Inc.
    • Tadashi Ichida
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Shift and brake control device
    • Patent number 7,124,873
    • Issue date Oct 24, 2006
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle control device
    • Patent number 7,062,989
    • Issue date Jun 20, 2006
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Hydraulic gear shift mechanism
    • Patent number 7,032,475
    • Issue date Apr 25, 2006
    • Shimano Inc.
    • Tadashi Ichida
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle control device
    • Patent number 6,691,591
    • Issue date Feb 17, 2004
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle control device
    • Patent number 6,647,823
    • Issue date Nov 18, 2003
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    BICYCLE OPERATING DEVICE
    • Publication number 20110192249
    • Publication date Aug 11, 2011
    • Shimano Inc.
    • Akira TSUMIYAMA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    BICYCLE OPERATING UNIT CONNECTOR
    • Publication number 20110070017
    • Publication date Mar 24, 2011
    • Shimano Inc.
    • Akira TSUMIYAMA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    BICYCLE OPERATING DEVICE
    • Publication number 20100139442
    • Publication date Jun 10, 2010
    • Shimano Inc.
    • Akira TSUMIYAMA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    BICYCLE CONTROL DEVICE
    • Publication number 20080314191
    • Publication date Dec 25, 2008
    • Shimano Inc.
    • Yoshimitsu MIKI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    HYDRAULIC GEAR SHIFT MECHANISM
    • Publication number 20070163378
    • Publication date Jul 19, 2007
    • Shimano Inc.
    • Tadashi ICHIDA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Bicycle shift control mechanism
    • Publication number 20070068313
    • Publication date Mar 29, 2007
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Bicycle shift position control mechanism
    • Publication number 20070017316
    • Publication date Jan 25, 2007
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Bicycle control device
    • Publication number 20060272443
    • Publication date Dec 7, 2006
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Position control mechanism for bicycle control device
    • Publication number 20060260427
    • Publication date Nov 23, 2006
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Position control mechanism for bicycle control device
    • Publication number 20060086198
    • Publication date Apr 27, 2006
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Shift and brake control device
    • Publication number 20060086588
    • Publication date Apr 27, 2006
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Hydraulic gear shift mechanism
    • Publication number 20050178233
    • Publication date Aug 18, 2005
    • Shimano Inc.
    • Tadashi Ichida
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Hydraulic gear shift mechanism
    • Publication number 20050155447
    • Publication date Jul 21, 2005
    • Shimano Inc.
    • Tadashi Ichida
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Bicycle control device
    • Publication number 20050109148
    • Publication date May 26, 2005
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Bicycle control device
    • Publication number 20050022624
    • Publication date Feb 3, 2005
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Bicycle control device
    • Publication number 20040040402
    • Publication date Mar 4, 2004
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Bicycle control device
    • Publication number 20030177855
    • Publication date Sep 25, 2003
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Hydraulic gear shift mechanism
    • Publication number 20020187867
    • Publication date Dec 12, 2002
    • Shimano Inc.
    • Tadashi Ichida
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Bicycle control device
    • Publication number 20020139218
    • Publication date Oct 3, 2002
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Bicycle control device
    • Publication number 20020139637
    • Publication date Oct 3, 2002
    • Shimano Inc.
    • Akira Tsumiyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS