Noboru Ogawa

Person

  • Okayama, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of producing acrylic fibers

    • Patent number 4,818,458
    • Issue date Apr 4, 1989
    • Japan Exlan Company Limited
    • Akira Sugiura
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING