Patents by Inventor Yasuyuki Ishiwatari

Yasuyuki Ishiwatari 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).

  • Patent number: 4358493
    Abstract: Cans prepared by bonding and/or seaming together the to-be-bonded portions of can materials with the aid of an adhesive, characterized in that the adhesive comprises at least one modified polyolefin selected from carboxyl group-containing polyolefins and metal compound-incorporated carboxyl group-containing polyolefins.
    Type: Grant
    Filed: January 29, 1981
    Date of Patent: November 9, 1982
    Assignee: Toyo Ink Manufacturing Co., Ltd.
    Inventors: Akira Ohtsuki, Hirokichi Ishino, Hiromu Sakai, Takahiro Yamasoba, Susumu Tsuchiko, Yasuyuki Ishiwatari, Atsuhiro Yamamoto