TREA

Hajime Ishimaru

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Patents Grantslast 30 patents

  • Information Patent Grant

    Quick pressure reducing apparatus
    • Patent number 5,737,906
    • Issue date Apr 14, 1998
    • Zaidan Houjin Shinku Kagaku
    • Hajime Ishimaru
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Heat insulating film
    • Patent number 5,714,272
    • Issue date Feb 3, 1998
    • Zaidan Houjin Shinku Kagaku Kenkyujo
    • Hajime Ishimaru
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Turbomolecular pump having vanes with ceramic and metallic surfaces
    • Patent number 5,350,275
    • Issue date Sep 27, 1994
    • Zaidan Houjin Shinku Kagaku Kenkyujo
    • Hajime Ishimaru
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum container
    • Patent number 4,969,556
    • Issue date Nov 13, 1990
    • Hajime Ishimaru
    • Hajime Ishimaru
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Ion pump
    • Patent number 4,594,054
    • Issue date Jun 10, 1986
    • Hajime Ishimaru
    • Hajime Ishimaru
    • H01 - BASIC ELECTRIC ELEMENTS