Patents by Inventor Narao Ito

Narao Ito 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).

  • Ink jet printing apparatus with preprinting jet purging mechanism
    Patent number: 4931955
    Abstract: In an ink jet printer, when a start print signal is input, an encoder outputs the position of a gutter, and the ink jet nozzles start jetting, beginning with the nozzles which are facing the gutter. Thereafter, all of nozzles start jetting, and then normal printing starts. Thereby, ink is saved, quality printing is obtained and the operator is freed from the uneasy feelings arising from abrupt purging or jetting actions. The invention may be provided in rotary ink jet printers using meltable solid ink.
    Type: Grant
    Filed: April 28, 1988
    Date of Patent: June 5, 1990
    Assignee: Juki Corporation
    Inventors: Mitsumasa Okabayashi, Narao Ito