TREA

Takeo Aichi

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  • Kitakyushu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of field welding head-hardened rails
    • Patent number 4,556,164
    • Issue date Dec 3, 1985
    • Japanese National Railways
    • Hirotsugu Oishibashi
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Build-up spraying apparatus
    • Patent number 4,520,756
    • Issue date Jun 4, 1985
    • Japanese National Railways
    • Mitsuji Hayashi
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...