Patents by Inventor Nobuki Yamanaga

Nobuki Yamanaga 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).

  • Hammer driving circuit for a dot system line printer
    Patent number: 4550659
    Abstract: A line printer having a suitable number of hammers which are controlled by electromagnets and which are juxtaposed with equal pitch on a carriage to effect printing while simultaneously shifting the hammers, wherein adjacent hammers are not simultaneously driven to thereby prevent malfunctions due to the influence of adjacent electromagnets.
    Type: Grant
    Filed: May 22, 1984
    Date of Patent: November 5, 1985
    Assignee: Ye Data Inc.
    Inventor: Nobuki Yamanaga