Patents by Inventor Sunichi Kawashima

Sunichi Kawashima 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).

  • Portable type data entry terminal having a keyboard input device and a graphic input device
    Patent number: 5375226
    Abstract: The specification of the invention details the invention of a portable type data input terminal which can input a plurality of data in different forms and operates by a battery based power supply.The portable type data input terminal according to the invention comprises: an input unit to input graphic data and binary data; a unit for receiving the graphic data and binary data from the input unit, for converting the graphic data into the form of a digital signal of the pixels of such graphic data, and for converting the binary data into a form of a corresponding code signal; a control unit for signal processing the outputs of the signal converting apparatus; and a memory device to store the respective data which were processed by the control unit so as to correspond to each other.
    Type: Grant
    Filed: July 20, 1993
    Date of Patent: December 20, 1994
    Assignee: Toppan Moore Company, Ltd.
    Inventors: Shigeaki Sano, Eiichi Tanaka, Sunichi Kawashima