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Shiyoichiro Yokoyama

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  • Musashimurayama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for refining sugar solutions
    • Patent number 4,362,571
    • Issue date Dec 7, 1982
    • Agency of Industrial Science and Technology
    • Yoshikatsu Ikari
    • C13 - SUGAR INDUSTRY
  • Information Patent Grant

    Method for treatment of waste water
    • Patent number 4,163,715
    • Issue date Aug 7, 1979
    • Agency of Industrial Science and Technology
    • Yoshikatsu Ikari
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE