TREA

Kojiro Yamaoka

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  • Nishinomiya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic four-wheel drive system
    • Patent number 4,886,142
    • Issue date Dec 12, 1989
    • Kanzaki Kokyukoki Mfg. Co. Ltd.
    • Kojiro Yamaoka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power transmission mechanism for tractor
    • Patent number 4,882,940
    • Issue date Nov 28, 1989
    • Kanzaki Kokyukoki Mfg. Co. Ltd.
    • Kojiro Yamaoka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Traveling transmission case
    • Patent number 4,867,008
    • Issue date Sep 19, 1989
    • Kanzaki Kokyukoki Mfg., Co. Ltd.
    • Kojiro Yamaoka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Key-shift transmission
    • Patent number 4,827,783
    • Issue date May 9, 1989
    • Kanzaki Kokyukoki Mfg. Co., Ltd.
    • Kojiro Yamaoka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Transmission system for working vehicles
    • Patent number 4,819,508
    • Issue date Apr 11, 1989
    • Kanzaki Kokyukoki Mfg. Co., Ltd.
    • Kojiro Yamaoka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Transmission system for working vehicles
    • Patent number 4,809,796
    • Issue date Mar 7, 1989
    • Kanzaki Kokyukoki Mfg. Co. Ltd.
    • Kojiro Yamaoka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    HST system driving apparatus
    • Patent number 4,784,013
    • Issue date Nov 15, 1988
    • Kanzaki Kokyukoki Mfg. Co. Ltd.
    • Kojiro Yamaoka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Axle driving apparatus
    • Patent number 4,781,259
    • Issue date Nov 1, 1988
    • Kanzaki Kokyukoki Mfg. Co. Ltd.
    • Kojiro Yamaoka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power transmission mechanism for a tractor
    • Patent number 4,727,759
    • Issue date Mar 1, 1988
    • Kanzaki Kokyukoki Mfg. Co. Ltd.
    • Kojiro Yamaoka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Marine reversing clutch assembly
    • Patent number 4,679,673
    • Issue date Jul 14, 1987
    • Kanzaki Kokyukoki Mfg. Co., Ltd.
    • Kojiro Yamaoka
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Transmission for self-propelled working vehicles
    • Patent number 4,673,055
    • Issue date Jun 16, 1987
    • Kanzaki Kokyukoki Mfg. Co., Ltd.
    • Kojiro Yamaoka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic steering system
    • Patent number 4,664,210
    • Issue date May 12, 1987
    • Kanzaki Kokyukoki Mfg. Co. Ltd.
    • Kojiro Yamaoka
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Vehicle power transmission with brake
    • Patent number 4,148,382
    • Issue date Apr 10, 1979
    • Kanzaki Kokyukoki Mfg. Co., Ltd.
    • Kojiro Yamaoka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Machine tool
    • Patent number 4,110,898
    • Issue date Sep 5, 1978
    • Kanzaki Kokyukoki Mfg. Co., Ltd.
    • Kojiro Yamaoka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR