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Masafumi KAWAKAMI

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Patents Grantslast 30 patents

  • Information Patent Grant

    Power transmission unit for electric bicycles, and electric bicycle
    • Patent number 12,195,136
    • Issue date Jan 14, 2025
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Masafumi Kawakami
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Power transmission unit for electric bicycles, and electric bicycle
    • Patent number 12,195,137
    • Issue date Jan 14, 2025
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Masafumi Kawakami
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Motor unit for use in electric bicycles, and electric bicycle
    • Patent number 12,049,284
    • Issue date Jul 30, 2024
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Masato Nishimori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric assist bicycle
    • Patent number 9,758,213
    • Issue date Sep 12, 2017
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Masafumi Kawakami
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Electrically assisted bicycle
    • Patent number 9,718,514
    • Issue date Aug 1, 2017
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Masafumi Kawakami
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Electric bicycle
    • Patent number 9,434,446
    • Issue date Sep 6, 2016
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Masafumi Kawakami
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power-assisted bicycle
    • Patent number 9,381,972
    • Issue date Jul 5, 2016
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Masafumi Kawakami
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    MOTOR UNIT AND ELECTRIC BICYCLE
    • Publication number 20240101220
    • Publication date Mar 28, 2024
    • Panasonic Intellectual Property Management Co., Ltd.
    • Masafumi Kawakami
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    MOTOR UNIT FOR USE IN ELECTRIC BICYCLES, AND ELECTRIC BICYCLE
    • Publication number 20230106924
    • Publication date Apr 6, 2023
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO, LTD
    • Masato NISHIMORI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    MOTOR UNIT AND ELECTRIC BICYCLE
    • Publication number 20230099314
    • Publication date Mar 30, 2023
    • Panasonic Intellectual Property Management Co., Ltd.
    • Shigeru IDO
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    MOTOR UNIT AND ELECTRIC BICYCLE
    • Publication number 20230043341
    • Publication date Feb 9, 2023
    • Panasonic Intellectual Property Management Co., Ltd.
    • Masafumi KAWAKAMI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    MOTOR UNIT AND POWER-ASSISTED BICYCLE
    • Publication number 20230043659
    • Publication date Feb 9, 2023
    • Panasonic Intellectual Property Management Co., Ltd.
    • Shigeru IDO
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    POWER TRANSMISSION UNIT FOR ELECTRIC BICYCLES, AND ELECTRIC BICYCLE
    • Publication number 20230015750
    • Publication date Jan 19, 2023
    • Panasonic Intellectual Property Management Co., Ltd.
    • Masafumi KAWAKAMI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    POWER TRANSMISSION UNIT FOR ELECTRIC BICYCLES, AND ELECTRIC BICYCLE
    • Publication number 20220009588
    • Publication date Jan 13, 2022
    • Panasonic Intellectual Property Management Co., Ltd.
    • Masafumi KAWAKAMI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MOTOR UNIT FOR USE IN ELECTRIC BICYCLES, AND ELECTRIC BICYCLE
    • Publication number 20210269118
    • Publication date Sep 2, 2021
    • Panasonic Intellectual Property Management Co., Ltd.
    • Masato NISHIMORI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    MOTOR UNIT AND ELECTRIC BICYCLE
    • Publication number 20210214043
    • Publication date Jul 15, 2021
    • Panasonic Intellectual Property Management Co., Ltd.
    • Masato NISHIMORI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTRIC ASSIST BICYCLE
    • Publication number 20160167733
    • Publication date Jun 16, 2016
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Masafumi Kawakami
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    ELECTRICALLY ASSISTED BICYCLE
    • Publication number 20150191215
    • Publication date Jul 9, 2015
    • Panasonic Intellectual Property Management Co., Ltd.
    • Masafumi KAWAKAMI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    POWER-ASSISTED BICYCLE
    • Publication number 20150158550
    • Publication date Jun 11, 2015
    • Panasonic Intellectual Property Management Co., Ltd.
    • Masafumi KAWAKAMI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    ELECTRIC BICYCLE
    • Publication number 20150020621
    • Publication date Jan 22, 2015
    • PANASONIC CORPORATION
    • Masafumi Kawakami
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS