Patents by Inventor Takashi Tsuzumidani

Takashi Tsuzumidani 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).

  • Publication number: 20040049469
    Abstract: OBJECT The object of the present invention is to provide a “ranking system” by noticing a relation between said “foreign language conversation communication ability” and “sports ability” and aims for an improvement of a communication ability in a foreign language.
    Type: Application
    Filed: July 10, 2002
    Publication date: March 11, 2004
    Inventors: Nozomu Saruhashi, Takashi Tsuzumidani