Patents by Inventor Mitsuo Kobanawa

Mitsuo Kobanawa 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: 4658417
    Abstract: Letters and a space are assigned to numeric keys of a pushphone. A desired numeral, letter or space is transmitted by depressing a corresponding numeric key a predetermined number of times, and thereafter a specific symbol key is depressed. At a reception side, a transmitted letter is detected in accordance with the corresponding numeric key code and the data representing the number of times of depression of the corresponding numeric key. An alphanumeric character string is thus displayed.
    Type: Grant
    Filed: October 4, 1984
    Date of Patent: April 14, 1987
    Assignee: Hashimoto Corporation
    Inventors: Kazuo Hashimoto, Mitsuo Kobanawa