TREA

Tetsuaki Nakayama

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  • Hamamatsu-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat exchange tube
    • Patent number 8,418,753
    • Issue date Apr 16, 2013
    • Yutaka Giken Co., Ltd.
    • Isao Hirokawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of, and apparatus for, manufacturing metallic bellows
    • Patent number 8,046,916
    • Issue date Nov 1, 2011
    • Yutaka Giken Co., Ltd.
    • Yoshitoshi Hagiwara
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    HEAT EXCHANGE TUBE
    • Publication number 20100224349
    • Publication date Sep 9, 2010
    • YUTAKA GIKEN CO., LTD.
    • Isao Hirokawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Method of, and apparatus for, manufacturing metallic bellows
    • Publication number 20080155806
    • Publication date Jul 3, 2008
    • Yutaka Giken Co., Ltd.
    • Yoshitoshi Hagiwara
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...