Patents by Inventor Toyozi Hirahara

Toyozi Hirahara 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: 4053344
    Abstract: A process of printing letters and/or patterns on an article of non-paper material, such as glass, metal, plastics, porcelain, with the clear and lasting reproduction thereof, by screen printing followed by hot foil transferring to and over the screen printing to give a metallic and attractive appearance.
    Type: Grant
    Filed: April 7, 1976
    Date of Patent: October 11, 1977
    Inventor: Toyozi Hirahara