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Hajime Ishimaru

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  • Tsukuba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrostatic dust collector for use in vacuum system
    • Patent number 5,125,124
    • Issue date Jun 30, 1992
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroshi Saeki
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Cooling apparatus
    • Patent number 5,070,701
    • Issue date Dec 10, 1991
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroshi Saeki
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Electrostatic dust collector for use in vacuum system
    • Patent number 4,941,224
    • Issue date Jul 17, 1990
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroshi Saeki
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Core winding with inorganic insulation between the inner conductor...
    • Patent number 4,782,316
    • Issue date Nov 1, 1988
    • Sukegawa Electric Co., Ltd.
    • Yokichi Domeki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Coolant preservation container
    • Patent number 4,715,186
    • Issue date Dec 29, 1987
    • Seiko Instruments & Electronics Ltd.
    • Hajime Ishimaru
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Cooling trap for vacuum
    • Patent number 4,607,491
    • Issue date Aug 26, 1986
    • Hajime Ishimaru
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process for producing hollow aluminum extrudates for use in a high...
    • Patent number 4,578,973
    • Issue date Apr 1, 1986
    • Showa Aluminum Corporation
    • Hajime Ishimaru
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Seal device for gate valve
    • Patent number 4,562,992
    • Issue date Jan 7, 1986
    • Fuji Seiko Kabushiki Kaisha
    • Kenzaburo Sugisaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Shield-type coaxial vacuum feedthrough
    • Patent number 4,231,003
    • Issue date Oct 28, 1980
    • The Director-General of National Laboratory for High Energy Physics
    • Hajime Ishimaru
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Bakable multi-pins vacuum feedthrough
    • Patent number 4,176,901
    • Issue date Dec 4, 1979
    • National Laboratory for High Energy Physics
    • Hajime Ishimaru
    • H01 - BASIC ELECTRIC ELEMENTS