Ryuichi Negishi

Person

  • Gunma-ken, JP

Patents Applicationslast 30 patents

  • Information Patent Application

    Water pump

    • Publication number 20110027112
    • Publication date Feb 3, 2011
    • Yamada Manufacturing Co., Ltd.
    • Ryuichi Negishi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES