TREA

Yasufumi FUKUNAGA

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  • Sakai City, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bicycle sprocket
    • Patent number 11,718,369
    • Issue date Aug 8, 2023
    • Shimano Inc.
    • Yasufumi Fukunaga
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle sprocket arrangement
    • Patent number 11,518,474
    • Issue date Dec 6, 2022
    • Shimano Inc.
    • Yasufumi Fukunaga
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle rear sprocket
    • Patent number 11,338,887
    • Issue date May 24, 2022
    • Shimano Inc.
    • Yasufumi Fukunaga
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle multiple sprocket and bicycle sprocket
    • Patent number 11,338,886
    • Issue date May 24, 2022
    • Shimano Inc.
    • Yasufumi Fukunaga
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle sprocket
    • Patent number 11,028,916
    • Issue date Jun 8, 2021
    • Shimano Inc.
    • Yasufumi Fukunaga
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bicycle sprocket
    • Patent number 10,933,947
    • Issue date Mar 2, 2021
    • Shimano Inc.
    • Yasufumi Fukunaga
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bicycle rear sprocket assembly
    • Patent number 10,926,836
    • Issue date Feb 23, 2021
    • Shimano Inc.
    • Hiroshi Fujita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Bicycle sprocket and bicycle drive train
    • Patent number 10,800,487
    • Issue date Oct 13, 2020
    • Shimano Inc.
    • Atsuhiro Emura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle sprocket
    • Patent number 10,717,495
    • Issue date Jul 21, 2020
    • Shimano Inc.
    • Yasufumi Fukunaga
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle sprocket
    • Patent number 10,577,051
    • Issue date Mar 3, 2020
    • Shimano Inc.
    • Yasufumi Fukunaga
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle sprocket
    • Patent number 10,138,991
    • Issue date Nov 27, 2018
    • Shimano Inc.
    • Yasufumi Fukunaga
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bicycle sprocket, bicycle rear sprocket, and bicycle multiple sproc...
    • Patent number 9,926,038
    • Issue date Mar 27, 2018
    • Shimano Inc.
    • Yasufumi Fukunaga
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle sprocket assembly
    • Patent number 9,915,336
    • Issue date Mar 13, 2018
    • Shimano Inc.
    • Yasufumi Fukunaga
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle sprocket and bicycle rear sprocket assembly
    • Patent number 9,885,409
    • Issue date Feb 6, 2018
    • Shimano Inc.
    • Yasufumi Fukunaga
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle sprocket and bicycle sprocket assembly
    • Patent number 9,463,844
    • Issue date Oct 11, 2016
    • Shimano Inc.
    • Yasufumi Fukunaga
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle sprocket and bicycle sprocket assembly
    • Patent number 9,334,014
    • Issue date May 10, 2016
    • Shimano Inc.
    • Yasufumi Fukunaga
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    BICYCLE SPROCKET
    • Publication number 20230030458
    • Publication date Feb 2, 2023
    • Shimano Inc.
    • Yasufumi FUKUNAGA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BICYCLE REAR SPROCKET
    • Publication number 20200269953
    • Publication date Aug 27, 2020
    • Shimano Inc.
    • Yasufumi FUKUNAGA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE SPROCKET ARRANGEMENT
    • Publication number 20200239106
    • Publication date Jul 30, 2020
    • Shimano Inc.
    • Yasufumi FUKUNAGA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE SPROCKET AND BICYCLE DRIVE TRAIN
    • Publication number 20190359285
    • Publication date Nov 28, 2019
    • Shimano Inc.
    • Atsuhiro EMURA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE MULTIPLE SPROCKET AND BICYCLE SPROCKET
    • Publication number 20190359284
    • Publication date Nov 28, 2019
    • Shimano Inc.
    • Yasufumi FUKUNAGA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE SPROCKET
    • Publication number 20190101204
    • Publication date Apr 4, 2019
    • Shimano Inc.
    • Yasufumi FUKUNAGA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE SPROCKET
    • Publication number 20190084648
    • Publication date Mar 21, 2019
    • Shimano Inc.
    • Yasufumi FUKUNAGA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BICYCLE SPROCKET
    • Publication number 20190084649
    • Publication date Mar 21, 2019
    • Shimano Inc.
    • Yasufumi FUKUNAGA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BICYCLE SPROCKET
    • Publication number 20190084647
    • Publication date Mar 21, 2019
    • Shimano Inc.
    • Yasufumi FUKUNAGA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BICYCLE REAR SPROCKET ASSEMBLY
    • Publication number 20190061873
    • Publication date Feb 28, 2019
    • Shimano Inc.
    • Hiroshi FUJITA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    BICYCLE SPROCKET
    • Publication number 20180073620
    • Publication date Mar 15, 2018
    • Shimano Inc.
    • Yasufumi FUKUNAGA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE SPROCKET ASSEMBLY
    • Publication number 20180073621
    • Publication date Mar 15, 2018
    • Shimano Inc.
    • Yasufumi FUKUNAGA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE SPROCKET, BICYCLE REAR SPROCKET, AND BICYCLE MULTIPLE SPROC...
    • Publication number 20170029066
    • Publication date Feb 2, 2017
    • Shimano Inc.
    • Yasufumi FUKUNAGA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE SPROCKET AND BICYCLE SPROCKET ASSEMBLY
    • Publication number 20160059930
    • Publication date Mar 3, 2016
    • Shimano Inc.
    • Yasufumi FUKUNAGA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE SPROCKET AND BICYCLE SPROCKET ASSEMBLY
    • Publication number 20160059931
    • Publication date Mar 3, 2016
    • Shimano Inc.
    • Yasufumi FUKUNAGA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS