Patents by Inventor Shaun Chen

Shaun Chen 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).

  • Multiple cleaning processes in a single tank
    Patent number: 8562748
    Abstract: Methods of cleaning workpieces are described. One method includes performing both a sonication cleaning operation and a rinse cleaning operation within a single cleaning tank. Another cleaning method described includes the use of cross flow of cleaning liquid within a cleaning tank while performing a rinse clean. The cleaning method includes the oscillation of one or more workpieces in the cleaning tank to perform the rinse clean.
    Type: Grant
    Filed: January 30, 2009
    Date of Patent: October 22, 2013
    Assignee: WD Media, LLC
    Inventors: Chaoyuan Chen, Shaun Chen, Michael S. Rosano
  • Cleaning operations with dwell time
    Patent number: 8163093
    Abstract: Methods of cleaning one or more workpieces are described. A method includes oscillating workpieces while performing a cleaning operation (e.g., sonication, rinse, etc.) and dwelling the workpieces at one or more oscillation positions (e.g., an upper oscillation position, an lower oscillation position, or an intermediate oscillation position) for corresponding one or more dwell time periods.
    Type: Grant
    Filed: February 11, 2009
    Date of Patent: April 24, 2012
    Assignee: WD Media, Inc.
    Inventors: Chaoyuan Chen, Shaun Chen
  • Imaging device
    Patent number: D765080
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: August 30, 2016
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Nick Su, Jasmine Lay Peng Lim, Zhi-Hui Shaun Chen, Jaewan Park
  • Tray for an imaging device
    Patent number: D767020
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: September 20, 2016
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Nick Su, Jasmine Lay Peng Lim, Zhi-Hui Shaun Chen, Jaewan Park