Patents by Inventor Ryoh YOKOYAMA

Ryoh YOKOYAMA 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).

  • Liquid discharging device, control apparatus for liquid discharging device, and method of controlling liquid discharging device
    Patent number: 10065413
    Abstract: A liquid discharging device detects, among a plurality of nozzles of a liquid discharging head, a normal-discharging nozzle and a false-discharging nozzle, selects whether to recover discharging performance of the false-discharging nozzle by a cleaner or to compensate deterioration in an image caused by the false-discharging nozzle by a compensator using the normal-discharging nozzle according to the detected number of consecutive false-discharging nozzles, and performs operation according to the selection.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: September 4, 2018
    Assignee: Ricoh Company, Ltd.
    Inventors: Ryoh Yokoyama, Yoshimi Nemoto, Kenichi Taguma, Tetsuto Ueda, Naohiro Toda, Yasunobu Takagi, Shotaro Ueda
  • LIQUID DISCHARGING DEVICE, CONTROL APPARATUS FOR LIQUID DISCHARGING DEVICE, AND METHOD OF CONTROLLING LIQUID DISCHARGING DEVICE
    Publication number: 20170165970
    Abstract: A liquid discharging device detects, among a plurality of nozzles of a liquid discharging head, a normal-discharging nozzle and a false-discharging nozzle, selects whether to recover discharging performance of the false-discharging nozzle by a cleaner or to compensate deterioration in an image caused by the false-discharging nozzle by a compensator using the normal-discharging nozzle according to the detected number of consecutive false-discharging nozzles, and performs operation according to the selection.
    Type: Application
    Filed: December 8, 2016
    Publication date: June 15, 2017
    Inventors: Ryoh YOKOYAMA, Yoshimi Nemoto, Kenichi Taguma, Tetsuto Ueda, Naohiro Toda, Yasunobu Takagi, Shotaro Ueda