Patents by Inventor Ying-ran Tseng

Ying-ran Tseng 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).

  • Porous material for channeling ink in an ink cartridge and method for channeling ink
    Patent number: 7018028
    Abstract: A porous material for channeling ink in an ink cartridge and a method for channeling the ink includes a porous material housed in an ink compartment of the ink cartridge. The porous material includes a body which has a protruding portion located proximate at the bottom. The bottom surface is bucking the ink cartridge according to the required ink gathering location and is squeezed to form an ink gathering zone that has a higher porosity locally to channel ink movement and reduce residual ink.
    Type: Grant
    Filed: July 15, 2003
    Date of Patent: March 28, 2006
    Assignee: Nano Dynamics Inc.
    Inventors: Ching-yu Chou, Ying-ran Tseng
  • Porous material for channeling ink in an ink cartridge and method for channeling ink
    Publication number: 20040021749
    Abstract: A porous material for channeling ink in an ink cartridge and a method for channeling the ink includes a porous material housed in an ink compartment of the ink cartridge. The porous material includes a body which has a protruding portion located proximate at the bottom. The bottom surface is bucking the ink cartridge according to the required ink gathering location and is squeezed to form an ink gathering zone that has a higher porosity locally to channel ink movement and reduce residual ink.
    Type: Application
    Filed: July 15, 2003
    Publication date: February 5, 2004
    Inventors: Ching-Yu Chou, Ying-Ran Tseng