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Shigeru Sugiyama

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for liquefying natural gas
    • Patent number 6,062,041
    • Issue date May 16, 2000
    • Chiyoda Corporation
    • Yoshitsugi Kikkawa
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...