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Yoshiaki Maruyama

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  • Mihara, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Corrugating roll and manufacturing method thereof
    • Patent number 5,669,988
    • Issue date Sep 23, 1997
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Hiroyuki Takenaka
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Belt adjusting device and single facer
    • Patent number 5,518,457
    • Issue date May 21, 1996
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Yukuharu Seki
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Trim guide device for slitter-scorers
    • Patent number 4,300,421
    • Issue date Nov 17, 1981
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Tadashi Yano
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL