Osamu Nagaoka

Person

  • Tochigi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Crushing apparatus

    • Patent number 5,330,112
    • Issue date Jul 19, 1994
    • Mitsui Mining Company, Limited
    • Osamu Nagaoka
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...