Tsutomu Nakayama

Person

  • Matsudo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Welding apparatus

    • Patent number 4,310,376
    • Issue date Jan 12, 1982
    • Mitsubishi Kasei Kogyo Kabushiki Kaisha
    • Ryuzo Ebina
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL