Patents by Inventor Masatane Kariya

Masatane Kariya 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).

  • Data transmission system
    Patent number: 4350848
    Abstract: In a system for communicating data between two stations interconnected by way of a telephone line, a data transmission system wherein at least one of the stations includes a telephone set normally connected to said telephone line, a line changer, a data transmitter and a signal detector. When another station is called through the telephone set and a predetermined signal transmitted from said another station is detected by the signal detector, the line changer switches the telephone line from the telephone set to the data transmitter.
    Type: Grant
    Filed: June 9, 1980
    Date of Patent: September 21, 1982
    Assignee: Clarion Company, Ltd.
    Inventors: Masatane Kariya, Akimori Tomizawa