Patents by Inventor Yosuke Hatao

Yosuke Hatao 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).

  • Patent number: 10065430
    Abstract: A print unit prints by ejecting fluid droplets from a plurality of nozzles while moving in a primary scanning direction relative to a print medium. An ejection inspection unit inspects fluid droplet ejection by a group of target nozzles, which are part of an ejection nozzle subset obtained by dividing the nozzles according to the number of nozzles required to form the smallest printing width in the secondary scanning direction. A control unit controls the print unit and the ejection inspection unit, and selects the group of target nozzles in the ejection nozzle subset and performs the ejection inspection each time a specific amount of printing is completed.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: September 4, 2018
    Assignee: Seiko Epson Corporation
    Inventor: Yosuke Hatao
  • Publication number: 20160023457
    Abstract: A print unit prints by ejecting fluid droplets from a plurality of nozzles while moving in a primary scanning direction relative to a print medium. An ejection inspection unit inspects fluid droplet ejection by a group of target nozzles, which are part of an ejection nozzle subset obtained by dividing the nozzles according to the number of nozzles required to form the smallest printing width in the secondary scanning direction. A control unit controls the print unit and the ejection inspection unit, and selects the group of target nozzles in the ejection nozzle subset and performs the ejection inspection each time a specific amount of printing is completed.
    Type: Application
    Filed: October 1, 2015
    Publication date: January 28, 2016
    Inventor: Yosuke HATAO
  • Patent number: 9174452
    Abstract: A print unit prints by ejecting fluid droplets from a plurality of nozzles while moving in a primary scanning direction relative to a print medium. An ejection inspection unit inspects fluid droplet ejection by a group of target nozzles, which are part of an ejection nozzle subset obtained by dividing the nozzles according to the number of nozzles required to form the smallest printing width in the secondary scanning direction. A control unit controls the print unit and the ejection inspection unit, and selects the group of target nozzles in the ejection nozzle subset and performs the ejection inspection each time a specific amount of printing is completed.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: November 3, 2015
    Assignee: Seiko Epson Corporation
    Inventor: Yosuke Hatao
  • Patent number: 8770703
    Abstract: A printing device has a print unit that ejects fluid from ejection nozzles and prints; an ejection test unit that checks if fluid is ejected from the ejection nozzles; a cleaning unit that performs a cleaning process in either a timed cleaning mode that performs a cleaning process at a predetermined interval, or an ejection test cleaning mode that performs a cleaning process based on a test result; a decision unit that determines whether to use the timed cleaning mode or the ejection test cleaning mode based on an operating condition of the print unit; and a mode changing unit that switches the mode between the timed cleaning mode and the ejection test cleaning mode according to the decision by the decision unit.
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: July 8, 2014
    Assignee: Seiko Epson Corporation
    Inventor: Yosuke Hatao
  • Publication number: 20120268522
    Abstract: A printing device has a print unit that ejects fluid from ejection nozzles and prints; an ejection test unit that checks if fluid is ejected from the ejection nozzles; a cleaning unit that performs a cleaning process in either a timed cleaning mode that performs a cleaning process at a predetermined interval, or an ejection test cleaning mode that performs a cleaning process based on a test result; a decision unit that determines whether to use the timed cleaning mode or the ejection test cleaning mode based on an operating condition of the print unit; and a mode changing unit that switches the mode between the timed cleaning mode and the ejection test cleaning mode according to the decision by the decision unit.
    Type: Application
    Filed: April 20, 2012
    Publication date: October 25, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Yosuke Hatao
  • Publication number: 20120242731
    Abstract: A print unit prints by ejecting fluid droplets from a plurality of nozzles while moving in a primary scanning direction relative to a print medium. An ejection inspection unit inspects fluid droplet ejection by a group of target nozzles, which are part of an ejection nozzle subset obtained by dividing the nozzles according to the number of nozzles required to form the smallest printing width in the secondary scanning direction. A control unit controls the print unit and the ejection inspection unit, and selects the group of target nozzles in the ejection nozzle subset and performs the ejection inspection each time a specific amount of printing is completed.
    Type: Application
    Filed: March 21, 2012
    Publication date: September 27, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Yosuke Hatao
  • Patent number: 7616396
    Abstract: A header information acquiring section is operable to acquire header information of reproduction data to be reproduced from a hard disk. A bit rate information extracting section is operable to extract information on a bit rate at which the reproduction data is reproduced, from the acquired header information. A comparison section is operable to compare the extracted bit rate with a predetermined threshold value. A drive control section is operable to deactivate the hard disk and activate the deactivated hard disk based on the comparison result of the comparison section.
    Type: Grant
    Filed: March 7, 2007
    Date of Patent: November 10, 2009
    Assignee: Seiko Epson Corporation
    Inventor: Yosuke Hatao
  • Publication number: 20070223881
    Abstract: A header information acquiring section is operable to acquire header information of reproduction data to be reproduced from a hard disk. A bit rate information extracting section is operable to extract information on a bit rate at which the reproduction data is reproduced, from the acquired header information. A comparison section is operable to compare the extracted bit rate with a predetermined threshold value. A drive control section is operable to deactivate the hard disk and activate the deactivated hard disk based on the comparison result of the comparison section.
    Type: Application
    Filed: March 7, 2007
    Publication date: September 27, 2007
    Applicant: Seiko Epson Corporation
    Inventor: Yosuke Hatao