TREA

Shinji Ito

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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat exchanger
    • Patent number 5,975,193
    • Issue date Nov 2, 1999
    • Showa Aluminum Corporation
    • Hideo Tokita
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Refrigerant tubes for heat exchangers
    • Patent number 5,931,226
    • Issue date Aug 3, 1999
    • Showa Aluminum Corporation
    • Hirosaburo Hirano
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Process for producing flat heat exchange tubes
    • Patent number 5,784,776
    • Issue date Jul 28, 1998
    • Showa Aluminum Corporation
    • Yoshihiro Saito
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of making refrigerant tubes for heat exchangers
    • Patent number 5,749,144
    • Issue date May 12, 1998
    • Showa Aluminum Corporation
    • Hirosaburo Hirano
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Refrigerant tubes for heat exchangers
    • Patent number 5,730,215
    • Issue date Mar 24, 1998
    • Showa Aluminum Corporation
    • Hirosaburo Hirano
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Refrigerant tubes for heat exchangers
    • Patent number 5,638,897
    • Issue date Jun 17, 1997
    • Showa Aluminum Corporation
    • Hirosaburo Hirano
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Pipe joint
    • Patent number 5,593,187
    • Issue date Jan 14, 1997
    • Showa Aluminum Corporation
    • Nobuyuki Okuda
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Method of making refrigerant tubes for heat exchangers
    • Patent number 5,553,377
    • Issue date Sep 10, 1996
    • Showa Aluminum Corporation
    • Hirosaburo Hirano
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...