Patents by Inventor Nai-Hsiang Ma

Nai-Hsiang Ma 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: 6846063
    Abstract: An ink jet printer includes a printhead and a maintenance station. The maintenance station includes a fixed support housing, a sled and a chimney. The sled is supported on the support housing and is movable relative to the support housing in both a horizontal direction and a vertical direction. The chimney receives ink spit from the printhead. The chimney has a fixed vertical position relative to the printhead and is horizontally movable in response to movement of the sled.
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: January 25, 2005
    Assignee: Lexmark International, Inc.
    Inventors: Donald Norman Spitz, Ryan Timothy Ward, Yu-Feng Huang, Nai-Hsiang Ma
  • Publication number: 20030112290
    Abstract: An ink jet printer includes a printhead and a maintenance station. The maintenance station includes a fixed support housing, a sled and a chimney. The sled is supported on the support housing and is movable relative to the support housing in both a horizontal direction and a vertical direction. The chimney receives ink spit from the printhead. The chimney has a fixed vertical position relative to the printhead and is horizontally movable in response to movement of the sled.
    Type: Application
    Filed: December 17, 2001
    Publication date: June 19, 2003
    Inventors: Donald Norman Spitz, Ryan Timothy Ward, Yu-Feng Huang, Nai-Hsiang Ma