TREA

Keiji Yoshimura

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  • Nara, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air cleaner
    • Patent number 4,846,859
    • Issue date Jul 11, 1989
    • Nitta Co., Ltd.
    • Koji Nobiraki
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air cleaner
    • Patent number 4,790,863
    • Issue date Dec 13, 1988
    • Nitta Co., Ltd.
    • Koji Nobiraki
    • F24 - HEATING RANGES VENTILATING