TREA

Yoshiyuki Kajiura

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and device for producing bellows
    • Patent number 6,386,012
    • Issue date May 14, 2002
    • Calsonic Kansei Corporation
    • Tadahiro Minamidate
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and device for producing bellows
    • Patent number 6,282,939
    • Issue date Sep 4, 2001
    • Calsonic Kansei Corporation
    • Tadahiro Minamidate
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    Method and device for producing bellows
    • Publication number 20010039822
    • Publication date Nov 15, 2001
    • Tadahiro Minamidate
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...