Patents by Inventor Yang Feng-Yu

Yang Feng-Yu 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).

  • Publication number: 20110139060
    Abstract: The present invention relates to an apparatus and method for a drop indicator having a magnet installed therein. The drop indicator according to the invention is used to determine whether a product has ever been dropped or impacted, either in delivery or in use, by inspecting changes in the original condition of the magnet caused by the interaction between the magnetic force and the acceleration of gravity, inertia force, and colliding force, etc. generated upon collision. Take a cell phone or a PDA, for example, changes in the indicative material of the drop indicator will help decide whether the faulty product has ever been dropped or impacted in delivery or in use, so that liability can be determined.
    Type: Application
    Filed: February 23, 2011
    Publication date: June 16, 2011
    Applicants: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, AFA PAPER PRODUCT CO., LTD.
    Inventors: Pan Sheau-Shi, Chang Chi-Sheng, Yang Feng-Yu
  • Publication number: 20090145245
    Abstract: The present invention relates to an apparatus and method for a drop indicator having a magnet installed therein. The drop indicator according to the invention is used to determine whether a product has ever been dropped or impacted, either in delivery or in use, by inspecting changes in the original condition of the magnet caused by the interaction between the magnetic force and the acceleration of gravity, inertia force, and colliding force, etc. generated upon collision. Take a cell phone or a PDA, for example, changes in the indicative material of the drop indicator will help decide whether the faulty product has ever been dropped or impacted in delivery or in use, so that liability can be determined.
    Type: Application
    Filed: May 16, 2008
    Publication date: June 11, 2009
    Applicants: Industrial Technology Research Institute, AFA Paper Product Co. Ltd.
    Inventors: Pan Sheau-Shi, Chang Chi-Sheng, Yang Feng-Yu