Ryoichi Yamazaki

Person

  • Kyoto, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Hygroscopic polyamide fiber

    • Patent number 5,306,761
    • Issue date Apr 26, 1994
    • Teijin Limited
    • Shinji Ohwaki
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING