Patents by Inventor Tetsumi Ochiai

Tetsumi Ochiai 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 card
    Patent number: 5962137
    Abstract: If at least the front surface layer and back surface layer of a plastic card formed from a plurality of layers are formed as antibacterial layers including (e. g.) coating layers, printed layers or sheets containing a powdered antibacterial agent, and this configuration is applied to hospital examination cards or various other types of cards that are handled by large numbers of persons, the spread of infections, etc., via said cards can be prevented even if said cards are not subjected to a disinfection treatment.
    Type: Grant
    Filed: September 24, 1997
    Date of Patent: October 5, 1999
    Assignee: Toppan Printing Company Limited
    Inventors: Tetsumi Ochiai, Sadanori Ito