Patents by Inventor Sunao Thukamoto

Sunao Thukamoto 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).

  • Package for a sterilized material
    Patent number: 4206844
    Abstract: A package of, for example, a medical instrument adapted to be sterilized by ethylene oxide gas, which comprises a package body in which a paper substrate is coated with a polyester resin emulsion layer, and a thermoplastic resin emulsion layer, and a thermoplastic resin emulsion layer is laminated on said polyester resin emulsion layer, and a covering sheet heat-sealed to the thermoplastic resin emulsion layer around a packed material, thereby hermetically sealing the package, said package having an indicator enabling the completion of disinfection to be visibly recognized.
    Type: Grant
    Filed: July 19, 1978
    Date of Patent: June 10, 1980
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Sunao Thukamoto, Shyoji Yokokoji