TREA

Takeshi Kumazawa

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  • Sagamihara, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Combined respirator and goggles
    • Patent number D298178
    • Issue date Oct 18, 1988
    • Tensho Electric Industries Co., Ltd.
    • Goro Kikuch
    • D29 - Equipment for safety, protection, and rescue
  • Information Patent Grant

    Gas mask
    • Patent number 4,688,567
    • Issue date Aug 25, 1987
    • Tensho Electric Industries Co., Ltd.
    • Goro Kikuchi
    • A62 - LIFE-SAVING FIRE-FIGHTING