Patents by Inventor Yoshihiro Fukuoka

Yoshihiro Fukuoka 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).

  • Antibiotic resin composition
    Patent number: 4938955
    Abstract: An antibiotic resin composition comprises at least one antibiotic zeolite of which ion-exchangeable ions are partially or completely replaced with ammonium ionsand antibiotic metal ions, at least one discoloration inhibitor and at least one resin. The antibiotic resin composition exhibits excellent antibiotic property and does not discolor with time. Thus, the resin composition can be employed to form a variety of products which require antibacterial and/or antifungus properties.
    Type: Grant
    Filed: April 18, 1988
    Date of Patent: July 3, 1990
    Assignees: Shingawa Fuel Co., Ltd, Shinanen New Ceramic Corporation
    Inventors: Reiji Niira, deceased, Tatuo Yamamoto, Masashi Uchida, Yoshihiro Fukuoka