Etsurou Nakao

Person

  • Moriyama, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Separator for an alkaline battery

    • Patent number 4,699,858
    • Issue date Oct 13, 1987
    • Firma Carl Freudenberg
    • Etsurou Nakao
    • H01 - BASIC ELECTRIC ELEMENTS