TREA

Toshiki Miyazawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of manufacturing heat exchanger
    • Patent number 6,415,506
    • Issue date Jul 9, 2002
    • Hidaka Seiki Kabushiki Kaisha
    • Yoshihiro Baba
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Die set
    • Patent number 5,600,992
    • Issue date Feb 11, 1997
    • Hidaka Seiki Kabushiki Kaisha
    • Yoshitomo Kanazawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Die-punch machine
    • Patent number 5,501,092
    • Issue date Mar 26, 1996
    • Hidaka Seiki Kabushiki Kaisha
    • Toshiki Miyazawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Feeding apparatus for metal belting and manufacturing apparatus for...
    • Patent number 5,349,841
    • Issue date Sep 27, 1994
    • Hidaka Seiki Kabushiki Kaisha
    • Kensaku Honma
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of manufacturing fins for heat exchangers
    • Patent number 5,237,849
    • Issue date Aug 24, 1993
    • Hidaka Seiki Kabushiki Kaisha
    • Toshiki Miyazawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Die set for manufacturing fins of heat exchangers and a manufacturi...
    • Patent number 5,159,826
    • Issue date Nov 3, 1992
    • Hidaka Seiki Kabushiki Kaisha
    • Toshiki Miyazawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...