Patents by Inventor Hideo Karasawa

Hideo Karasawa 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).

  • Sales data processing system
    Patent number: 4661908
    Abstract: A sales data processing system reads sales data containing article codes previously attached to sales articles, and executes registration of sales data according to the sales data thus read.
    Type: Grant
    Filed: June 10, 1985
    Date of Patent: April 28, 1987
    Assignee: Tokyo Electric Co., Ltd.
    Inventors: Koichi Hamano, Hajime Yamato, Hideo Karasawa