TREA

Sadao Takahashi

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  • Katsuta, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mass spectrometer
    • Patent number 5,083,020
    • Issue date Jan 21, 1992
    • Hitachi, Ltd.
    • Sadao Takahashi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Prism optics stable with respect to wavelength and temperature vari...
    • Patent number 5,016,237
    • Issue date May 14, 1991
    • Hitachi, Ltd.
    • Shigeru Nakamura
    • G02 - OPTICS
  • Information Patent Grant

    Mass spectrometer
    • Patent number 4,803,355
    • Issue date Feb 7, 1989
    • Hitachi, Ltd.
    • Sadao Takahashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spectrum display device
    • Patent number 4,760,331
    • Issue date Jul 26, 1988
    • Hitachi, Ltd.
    • Fumio Komuro
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Mass spectrometer
    • Patent number 4,256,963
    • Issue date Mar 17, 1981
    • Hitachi, Ltd.
    • Sadao Takahashi
    • H01 - BASIC ELECTRIC ELEMENTS