TREA

Hidenori Tezuka

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  • Yokohama-shi, JP
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Patents Applicationslast 30 patents

  • Information Patent Application

    SEAMING DEVICE
    • Publication number 20190160516
    • Publication date May 30, 2019
    • Toyo Seikan Co., Ltd.
    • Kazumoto Obata
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    SEAMING DEVICE
    • Publication number 20180065168
    • Publication date Mar 8, 2018
    • Toyo Seikan Co., Ltd.
    • Kazumoto Obata
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...