Patents by Inventor Nobutane Yamamoto

Nobutane Yamamoto 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).

  • Portable terminal
    Publication number: 20030122804
    Abstract: A mobile telephone is provided, that is easy to manipulate manually and can perform electric authentication and input a character by providing an additional value to a conventional mobile telephone.
    Type: Application
    Filed: November 18, 2002
    Publication date: July 3, 2003
    Inventors: Osamu Yamazaki, Nobutane Yamamoto