Patents by Inventor Tadasahi Yanagi

Tadasahi Yanagi 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).

  • Pen input and output unit
    Patent number: 5526023
    Abstract: In a pen input and output unit for inputting data by contacting a pen on an input surface of a tablet device and for displaying the input data, display data is updated by detecting that the pen is traveled by a predetermined distance while the pen is in contact with the input surface of the tablet device. The display data can continuously be updated by sliding, reciprocally traveling, circulating or the like the pen on the input surface.
    Type: Grant
    Filed: February 24, 1995
    Date of Patent: June 11, 1996
    Assignee: Mutoh Industries, Ltd.
    Inventors: Yuuji Sugimoto, Tadasahi Yanagi, Tatuyoshi Ikuta, Hiroyuki Furuichi