Patents Assigned to Takiron Company, Ltd.
  • Polymeric piezoelectric material
    Patent number: 5298602
    Abstract: A polymeric piezoelectric material including a polylactic acid molded article having been uniaxially drawn to an extent causing no fibrillation. The piezoelectric material exhibits piezoelectric properties equal to or higher than those of electret type or polypeptide type piezoelectric materials while having high enough mechanical strength to be processed into various articles ranging from films to profiles depending on the end use.
    Type: Grant
    Filed: January 28, 1993
    Date of Patent: March 29, 1994
    Assignee: Takiron Company, Ltd.
    Inventors: Yasuo Shikinami, Kunihiro Hata