TREA

Yuukichi Nakada

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  • Tochigi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary compressor with shaft balancers
    • Patent number 5,230,616
    • Issue date Jul 27, 1993
    • Hitachi, Ltd.
    • Yukio Serizawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 5,030,073
    • Issue date Jul 9, 1991
    • Hitachi, Ltd.
    • Yukio Serizawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...