Patents by Inventor Hajime Yoneta

Hajime Yoneta 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).

  • Television conference system
    Patent number: 5272526
    Abstract: A television conference system in which video and audio information generated in each hall are transmitted and reproduced in the other hall and further in which a plurality of personal terminals having at least a keyboard, or other information input device, and a monitor are provided in the first and second conference halls so that the attendees can transmit and receive personal electronic messages from one terminal to another in each hall.
    Type: Grant
    Filed: May 24, 1991
    Date of Patent: December 21, 1993
    Assignee: Sony Corporation
    Inventors: Hajime Yoneta, Yasushi Ogino
  • Video telephone
    Patent number: 5194955
    Abstract: In a video telephone in which images of telephoners as well as writings or drawings are alternately formed and transmitted, a single video camera is fixed and the optical axis extending from the video camera is optionally changed to select one of two directions, so that it is possible to form the images alternately of the telephoners and of the writings or drawings.
    Type: Grant
    Filed: May 17, 1991
    Date of Patent: March 16, 1993
    Assignee: Sony Corporation
    Inventors: Hajime Yoneta, Toshio Suzuki, Yasushi Ogino