Tsuneo Kishiba

Person

  • Kuga, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Electret filters

    • Patent number 5,304,227
    • Issue date Apr 19, 1994
    • Mitsui Petrochemical Industries, Ltd.
    • Satoshi Matsuura
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL