Patents by Inventor Katsuji Sakano

Katsuji Sakano 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).

  • Dot-impact printing head control apparatus
    Patent number: 6254291
    Abstract: A printing head control apparatus 10 is used for a dot-impact printer in which a dot is formed on a paper set on a platen via an ink ribbon 16 with an impact force applied by a pin 18. The printing head control apparatus 10 comprises: a dot classifier for classifying into a normal dot b1 and a final dot b2 the dots constituting a print data “a” supplied from an upper-node apparatus 20; and a printing head drive controller 26 for supplying to the printing head 24 a normal dot print drive signal c1 and a final dot print drive signal c2 for the normal dot b1 and the final dot b2, respectively.
    Type: Grant
    Filed: February 25, 1999
    Date of Patent: July 3, 2001
    Assignee: NEC Corporation
    Inventor: Katsuji Sakano