Patents by Inventor Tsunenori Souma

Tsunenori Souma 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).

  • Electronic apparatus
    Patent number: 4209850
    Abstract: A digital electronic apparatus is provided for allowing easy copying from a first memnory to a second memory. Said copying operation can be arbitrarily controlled from a key entry means. Said first and second memories are constructed in the form of a pack detachable from said electronic apparatus. The copying operation cannot be easily performed by an unauthorized person as the information including the copying instruction is contained in a pack.
    Type: Grant
    Filed: September 25, 1978
    Date of Patent: June 24, 1980
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shigemitsu Tazaki, Akihiro Yamataka, Tsunenori Souma, Tadao Kusumoto