Patents by Inventor Yuh-Horng Chuang

Yuh-Horng Chuang 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).

  • Structure of ink slot on ink-jet printhead chip
    Patent number: 6280021
    Abstract: A structure of ink slots on an ink-jet printhead chip. The structure includes a plurality of firing chambers and a plurality of ink reservoirs. Each of the firing chambers has a heater and is enclosed by a plurality of walls, so each of the firing chambers is isolated. The ink reservoirs are respectively connected to the firing chambers by ink slots and each of the ink reservoirs is also isolated. Additionally, distances of the ink slots are equal.
    Type: Grant
    Filed: March 16, 1999
    Date of Patent: August 28, 2001
    Assignee: Industrial Technology Research Institute
    Inventors: Yi-Yung Wu, Je-Ping Hu, Yi-Hsuan Lai, Yuh-Horng Chuang, Chieh-Wen Wang