Sanpei Usui

Person

  • Ibaraki, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Vapor generator

    • Patent number 4,499,859
    • Issue date Feb 19, 1985
    • Hitachi, Ltd.
    • Akira Nishiguchi
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...