Patents by Inventor Akio Kurishita

Akio Kurishita has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Marine fishery thread articles
    Patent number: 5244731
    Abstract: The invention provides a marine fishery article of threads which is made of threads consisting essentially of polycaprolactone represented by the formula ##STR1## wherein n is 300 to 2,000.
    Type: Grant
    Filed: June 14, 1991
    Date of Patent: September 14, 1993
    Assignee: Gunze Limited
    Inventors: Yoshikiyo Saito, Yoshito Ikada, Masakazu Suzuki, Akio Kurishita, Hideji Kagawa, Isao Nogami