Masayuki Yamaguchi

Person

  • Nakatsu, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Exhaust pipe with vibration damping

    • Patent number 4,413,657
    • Issue date Nov 8, 1983
    • Nippon Steel Corporation
    • Takesada Sasaki
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Composite dual tubing

    • Patent number 4,410,013
    • Issue date Oct 18, 1983
    • Nippon Steel Corporation
    • Takesada Sasaki
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Composite dual tubing

    • Patent number 4,404,992
    • Issue date Sep 20, 1983
    • Nippon Steel Corporation
    • Takesada Sasaki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES