TREA

Akira Obata

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spring apparatus
    • Patent number 4,856,765
    • Issue date Aug 15, 1989
    • Kohno; Masahiro
    • Masahiro Kohno
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Water-surface towed target
    • Patent number 4,215,862
    • Issue date Aug 5, 1980
    • Japan Aircraft Mfg. Co., Ltd.
    • Takashi Yoshikawa
    • F41 - WEAPONS