Patents by Inventor W.Y. CHEN

W.Y. 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).

  • PARTICLE REMOVING ASSEMBLY AND METHOD OF SERVICING ASSEMBLY
    Publication number: 20210268558
    Abstract: An apparatus includes a wafer stage and a particle removing assembly. The wafer stage includes a cup adjacent to a wafer chuck. The particle removing assembly is configured to remove contaminant particles from the cup. In some embodiments, the particle removing assembly comprises a flexible ejecting member that includes one or more elongated tubes, a front tip, and a cleaning tip adapter configured to attach the front tip to each of the one or more elongated tubes. The front tip includes front openings and lateral openings from which pressurized cleaning material are introduced onto an unreachable area of the cup to remove the contaminant particles from the cup.
    Type: Application
    Filed: December 23, 2020
    Publication date: September 2, 2021
    Inventors: M.H. WU, Fang-Yu KUO, Kai-Yu LIU, Yu-Chun WU, Jao Sheng HUANG, W.Y. CHEN
  • Method to generate semantically valid queries in the XQuery language
    Patent number: 7680782
    Abstract: A computer implemented method, apparatus, and computer usable program code for automatically generating a query. Data and occurrence is described using a sequence type. The data and occurrence from the sequence type are matched to a sequence type pattern. Sentences in a query language are generated automatically using the sequence type pattern for testing an ability of a query processing engine to interpret queries.
    Type: Grant
    Filed: October 18, 2006
    Date of Patent: March 16, 2010
    Assignee: International Business Machines Corporation
    Inventors: Wallace W Y Chen, Enzo Cialini, David Richard Godwin, Anthony Di Loreto, Ciby Mathew, Ronald James Pomeroy
  • METHOD TO GENERATE SEMANTICALLY VALID QUERIES IN THE XQUERY LANGUAGE
    Publication number: 20080097974
    Abstract: A computer implemented method, apparatus, and computer usable program code for automatically generating a query. Data and occurrence is described using a sequence type. The data and occurrence from the sequence type are matched to a sequence type pattern. Sentences in a query language are generated automatically using the sequence type pattern for testing an ability of a query processing engine to interpret queries.
    Type: Application
    Filed: October 18, 2006
    Publication date: April 24, 2008
    Inventors: Wallace W.Y. Chen, Enzo Cialini, David Richard Godwin, Anthony Di Loreto, Ciby Mathew, Ronald James Pomeroy