TREA

Masako Kiyohara

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  • Kumamoto, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 5,178,366
    • Issue date Jan 12, 1993
    • Masako Kiyohara
    • Tetsuya Kojima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Check valve
    • Patent number 5,161,571
    • Issue date Nov 10, 1992
    • Masako Kiyohara
    • Masahiko Nakazawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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