Patents by Inventor Kisaburo Kasuya

Kisaburo Kasuya 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).

  • Radio telecommunication system
    Patent number: 5436906
    Abstract: A radio telecommunication system has radio channels, each radio channel including a plurality of slots generated by time division. The system encompasses a plurality of areas having a base station which sends a first signal over a predetermined slot of the slots. If the signal quality of the first signal received by a portable apparatus is less than a criterion, at last on of the non-used slots is designated. The portable apparatus sends a second signal over the predetermined slot and the designated slot.
    Type: Grant
    Filed: February 17, 1994
    Date of Patent: July 25, 1995
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kisaburo Kasuya, Koichi Ito