TREA

Osamu Shitamura

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  • Katsuta, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Molten metal plating apparatus
    • Patent number 6,315,830
    • Issue date Nov 13, 2001
    • Hitachi, Ltd.
    • Mitsuo Nakagawa
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Work roll for metal rolling
    • Patent number 5,081,760
    • Issue date Jan 21, 1992
    • Hitachi, Ltd.
    • Takashi Kikuhara
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Continuous hot-dip plating apparatus
    • Patent number 5,072,689
    • Issue date Dec 17, 1991
    • Hitachi, Ltd.
    • Mitsuo Nakagawa
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...