TREA

Ken Hirano

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  • Hamamatsu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electron tube
    • Patent number 6,198,221
    • Issue date Mar 6, 2001
    • Hamamatsu Photonics K.K.
    • Motohiro Suyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electron tube with electron lens
    • Patent number 5,917,282
    • Issue date Jun 29, 1999
    • Hamamatsu Photonics K.K.
    • Motohiro Suyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electron tube
    • Patent number 5,883,466
    • Issue date Mar 16, 1999
    • Hamamatsu Photonics K.K.
    • Motohiro Suyama
    • H01 - BASIC ELECTRIC ELEMENTS