TREA

Hirofumi BABA

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Manufacturing apparatus for heat exchanger fins
    • Patent number 9,987,673
    • Issue date Jun 5, 2018
    • Hidaka Seiki Kabushiki Kaisha
    • Masanao Karasawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Manufacturing apparatus for flattened tube fins
    • Patent number 9,192,978
    • Issue date Nov 24, 2015
    • Hidaka Seiki Kabushiki Kaisha
    • Hirofumi Baba
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    MANUFACTURING APPARATUS FOR HEAT EXCHANGER FINS
    • Publication number 20160325339
    • Publication date Nov 10, 2016
    • HIDAKA SEIKI KABUSHIKI KAISHA
    • Masanao KARASAWA
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    MANUFACTURING APPARATUS FOR FLATTENED TUBE FINS
    • Publication number 20140115881
    • Publication date May 1, 2014
    • HIDAKA SEIKI KABUSHIKI KAISHA
    • Hirofumi BABA
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...