TREA

Fumio Ohkubo

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  • Higashimatsuyama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Laminated heat exchanger
    • Patent number 5,979,542
    • Issue date Nov 9, 1999
    • Zexel Corportion
    • Seiji Inoue
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Heat exchanger
    • Patent number 5,931,221
    • Issue date Aug 3, 1999
    • Zexel Corporation
    • Seiji Inoue
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Laminated heat exchanger
    • Patent number 5,893,412
    • Issue date Apr 13, 1999
    • Zexel Corporation
    • Kunihiko Nishishita
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Laminated heat exchanger
    • Patent number 5,881,805
    • Issue date Mar 16, 1999
    • Zexel Corporation
    • Seiji Inoue
    • F28 - HEAT EXCHANGE IN GENERAL