Patents by Inventor Kenitiro Saito

Kenitiro Saito 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).

  • Antibacterial and antifungal material
    Patent number: 4181786
    Abstract: An antibacterial and antifungal material comprising a polymer containing carboxyl groups in an amount of at least about 0.008 milliequivalent per gram of the polymer and antibacterial and antifungal metallic ions ionically bonded to the carboxyl groups in an amount of at least about 0.0009 millimole per gram of the polymer.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: January 1, 1980
    Assignee: Nitto Electric Industrial Co., Ltd.
    Inventors: Isao Mune, Keiichi Ushiyama, Kenitiro Saito, Yutaka Moroishi, Tadaichi Nakao