Ichiro Gyobu

Person

  • Dejimamura, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum system with a secondary gas also connected to the roughing p...

    • Patent number 5,062,771
    • Issue date Nov 5, 1991
    • Hitachi, Ltd.
    • Akihiko Satou
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Vacuum pump

    • Patent number 4,904,155
    • Issue date Feb 27, 1990
    • Hitachi, Ltd.
    • Takashi Nagaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for LPCVD of semiconductors using oil free vacuum pumps

    • Patent number 4,835,114
    • Issue date May 30, 1989
    • Hitachi, Ltd.
    • Akihiko Satou
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Vaned diffuser

    • Patent number 4,354,802
    • Issue date Oct 19, 1982
    • Hitachi, Ltd.
    • Hideo Nishida
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES