TREA

Takafumi KATSURA

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bicycle operating device
    • Patent number 11,008,067
    • Issue date May 18, 2021
    • Shimano Inc.
    • Takafumi Katsura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle operating device
    • Patent number 10,279,867
    • Issue date May 7, 2019
    • Shimano Inc.
    • Takafumi Katsura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle bar end attachment
    • Patent number 10,220,915
    • Issue date Mar 5, 2019
    • Shimano Inc.
    • Takafumi Katsura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle operating device
    • Patent number 9,821,884
    • Issue date Nov 21, 2017
    • Shimano Inc.
    • Takafumi Katsura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Electric bicycle derailleur control system
    • Patent number 9,809,276
    • Issue date Nov 7, 2017
    • Shimano Inc.
    • Takafumi Katsura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Electric power storage holder
    • Patent number 9,493,210
    • Issue date Nov 15, 2016
    • Shimano Inc.
    • Kazuhiro Fujii
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electric derailleur motor unit and motorized derailleur
    • Patent number 9,381,974
    • Issue date Jul 5, 2016
    • Shimano Inc.
    • Takafumi Katsura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle electric actuator unit
    • Patent number 8,979,683
    • Issue date Mar 17, 2015
    • Shimano Inc.
    • Takafumi Katsura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle electric power source assembly
    • Patent number 8,906,528
    • Issue date Dec 9, 2014
    • Shimano Inc.
    • Kazuhiro Fujii
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    BICYCLE OPERATING DEVICE
    • Publication number 20190071149
    • Publication date Mar 7, 2019
    • Shimano Inc.
    • Takafumi Katsura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE BAR END ATTACHMENT
    • Publication number 20170369125
    • Publication date Dec 28, 2017
    • Shimano Inc.
    • Takafumi KATSURA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    ELECTRIC BICYCLE DERAILLEUR CONTROL SYSTEM
    • Publication number 20170247082
    • Publication date Aug 31, 2017
    • Shimano Inc.
    • Takafumi KATSURA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE OPERATING DEVICE
    • Publication number 20160347416
    • Publication date Dec 1, 2016
    • Shimano Inc.
    • Takafumi Katsura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE OPERATING DEVICE
    • Publication number 20160347415
    • Publication date Dec 1, 2016
    • Shimano Inc.
    • Takafumi Katsura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    ELECTRIC DERAILLEUR MOTOR UNIT AND MOTORIZED DERAILLEUR
    • Publication number 20140121047
    • Publication date May 1, 2014
    • Shimano Inc.
    • Takafumi KATSURA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE ELECTRIC POWER SOURCE ASSEMBLY
    • Publication number 20130202938
    • Publication date Aug 8, 2013
    • Shimano Inc.
    • Kazuhiro FUJII
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE ELECTRIC ACTUATOR UNIT
    • Publication number 20130192405
    • Publication date Aug 1, 2013
    • Shimano Inc.
    • Takafumi KATSURA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    ELECTRIC POWER STORAGE HOLDER
    • Publication number 20130147153
    • Publication date Jun 13, 2013
    • Shimano Inc.
    • Kazuhiro FUJII
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS