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Yoshihisa Iwasaki

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  • Sakai, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bicycle speed change operation assembly
    • Patent number 5,429,012
    • Issue date Jul 4, 1995
    • Maeda Industries, Ltd.
    • Kenji Ikeda
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle speed change system, bicycle speed change method and bicycl...
    • Patent number 5,421,219
    • Issue date Jun 6, 1995
    • Maeda Industries, Ltd.
    • Koichi Tagawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle speed change system, bicycle speed change method and bicycl...
    • Patent number 5,390,565
    • Issue date Feb 21, 1995
    • Maeda Industries, Ltd.
    • Koichi Tagawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle speed change assembly
    • Patent number 5,380,252
    • Issue date Jan 10, 1995
    • Maeda Industries, Ltd.
    • Yoshihisa Iwasaki
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle rear derailleur
    • Patent number 5,380,253
    • Issue date Jan 10, 1995
    • Maeda Industries, Ltd.
    • Yoshihisa Iwasaki
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle speed change lever assembly
    • Patent number 5,303,608
    • Issue date Apr 19, 1994
    • Maeda Industries, Ltd.
    • Yoshihisa Iwasaki
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle speed change lever assembly
    • Patent number 5,186,071
    • Issue date Feb 16, 1993
    • Maeda Industries, Ltd.
    • Yoshihisa Iwasaki
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle multiple chainwheel
    • Patent number 4,988,328
    • Issue date Jan 29, 1991
    • Maeda Industries, Ltd.
    • Yoshihisa Iwasaki
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Support structure for bicycle saddle
    • Patent number 4,919,378
    • Issue date Apr 24, 1990
    • Maeda Industries, Ltd.
    • Yoshihisa Iwasaki
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Multiple freewheel for bicycle
    • Patent number 4,869,710
    • Issue date Sep 26, 1989
    • Maeda Industries, Ltd.
    • Yoshihisa Iwasaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bicycle front derailleur
    • Patent number 4,674,995
    • Issue date Jun 23, 1987
    • Maeda Industries, Ltd.
    • Yoshihisa Iwasaki
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS