Patents by Inventor Hyoen-Mu Yoo

Hyoen-Mu Yoo 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: 11325371
    Abstract: In an example, an apparatus is described that a fluid ejection device to dispense fluid. A local service controller controls dispensing of the fluid by the fluid ejection device under a direction of a fluid ejection controller. The local service controller also initiates, autonomously of the fluid ejection controller, capping of the fluid ejection device in response to the detection of a failure condition by the local service controller. Capping mechanics are provided to cap the fluid ejection device under the direction of the local service controller.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: May 10, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Timothy Wagner, Hyoen-Mu Yoo, Bruce A. Stephens
  • Publication number: 20210086504
    Abstract: In an example, an apparatus is described that a fluid ejection device to dispense fluid. A local service controller controls dispensing of the fluid by the fluid ejection device under a direction of a fluid ejection controller. The local service controller also initiates, autonomously of the fluid ejection controller, capping of the fluid ejection device in response to the detection of a failure condition by the local service controller. Capping mechanics are provided to cap the fluid ejection device under the direction of the local service controller.
    Type: Application
    Filed: October 28, 2020
    Publication date: March 25, 2021
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Timothy Wagner, Hyoen-Mu Yoo, Bruce A. Stephens
  • Patent number: 10836156
    Abstract: In an example, an apparatus is described that a fluid ejection device to dispense fluid. A local service controller controls dispensing of the fluid by the fluid ejection device under a direction of a fluid ejection controller. The local service controller also initiates, autonomously of the fluid ejection controller, capping of the fluid ejection device in response to the detection of a failure condition by the local service controller. Capping mechanics are provided to cap the fluid ejection device under the direction of the local service controller.
    Type: Grant
    Filed: October 5, 2016
    Date of Patent: November 17, 2020
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Timothy Wagner, Hyoen-Mu Yoo, Bruce A. Stephens
  • Publication number: 20190217604
    Abstract: In an example, an apparatus is described that a fluid ejection device to dispense fluid. A local service controller controls dispensing of the fluid by the fluid ejection device under a direction of a fluid ejection controller. The local service controller also initiates, autonomously of the fluid ejection controller, capping of the fluid ejection device in response to the detection of a failure condition by the local service controller. Capping mechanics are provided to cap the fluid ejection device under the direction of the local service controller.
    Type: Application
    Filed: October 5, 2016
    Publication date: July 18, 2019
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Timothy Wagner, Hyoen-Mu Yoo, Bruce A. Stephens
  • Publication number: 20100214596
    Abstract: Commands from a central controller of a printing system are received at a first component of a printing system. The commands include component ready commands and non-component ready commands. The component ready commands are routed unaltered to a second component of the printing system.
    Type: Application
    Filed: February 26, 2009
    Publication date: August 26, 2010
    Inventors: Kelvin Hasseler, James Hasler, Yaguang Liu, Hyoen-Mu Yoo