TREA

Hajime Ishimaru

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Organization

  • Ibaraki, JP
Organizations

Patents Grantslast 30 patents

  • 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