TREA

Chikashi Chagawa

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  • Hirakata, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sprocket device for use in a track-type tractor
    • Patent number 4,022,072
    • Issue date May 10, 1977
    • Kabushiki Kaisha Komatsu Seisakusho
    • Chikashi Chagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Idler
    • Patent number 3,958,837
    • Issue date May 25, 1976
    • Kabushiki Kaisha Komatsu Seisakusho
    • Chikashi Chagawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS