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Masahiro Yoshioka

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  • Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plant operation method and plant operation control system
    • Patent number 5,467,265
    • Issue date Nov 14, 1995
    • Hitachi, Ltd.
    • Akihiro Yamada
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Oil-free scroll fluid machine with projecting orbiting bearing boss
    • Patent number 5,098,265
    • Issue date Mar 24, 1992
    • Hitachi, Ltd.
    • Shigeru Machida
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Turbocharger bearing assembly
    • Patent number 4,640,630
    • Issue date Feb 3, 1987
    • Hitachi, Ltd.
    • Masahiro Yoshioka
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Thrust bearing
    • Patent number 4,639,146
    • Issue date Jan 27, 1987
    • Hitachi, Ltd.
    • Masahiro Yoshioka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bearing support for turbochargers
    • Patent number 4,560,325
    • Issue date Dec 24, 1985
    • Hitachi, Ltd.
    • Masahiro Yoshioka
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Damped bearing device
    • Patent number 4,460,283
    • Issue date Jul 17, 1984
    • Hitachi, Ltd.
    • Masahiro Yoshioka
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Damped bearing device
    • Patent number 4,392,751
    • Issue date Jul 12, 1983
    • Hitachi, Ltd.
    • Michiaki Ida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Damped bearing device
    • Patent number 4,366,994
    • Issue date Jan 4, 1983
    • Hitachi, Ltd.
    • Masahiro Yoshioka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Thrust bearing
    • Patent number 4,348,065
    • Issue date Sep 7, 1982
    • Hitachi, Ltd.
    • Masahiro Yoshioka
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Tilting-pad bearings
    • Patent number 4,300,808
    • Issue date Nov 17, 1981
    • Hitachi, Ltd.
    • Masahiro Yoshioka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sliding-type bearing
    • Patent number 4,294,494
    • Issue date Oct 13, 1981
    • Hitachi, Ltd.
    • Masahiro Yoshioka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...