Patents by Inventor Chang Eun Yeo

Chang Eun Yeo 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: 20250049083
    Abstract: The present invention relates to methods for processing fruits or vegetables such that sweet ingredients or ingredients useful to the human body effectively infiltrates into fruits or vegetables and to apparatus used in the method. The present invention relates to methods for allowing sweet ingredients or ingredients useful to the human body to be effectively absorbed into fruits or vegetables while supplying fruits or vegetables to the inside of a pressure chamber, reducing the inside of the pressure chamber to low vacuum state within a specific pressure range while all fruits or vegetables to be processed are immersed in aqueous solution of a useful ingredient, maintaining the condition for a set period of time, and returning the inside of the pressure chamber to atmospheric pressure.
    Type: Application
    Filed: October 26, 2022
    Publication date: February 13, 2025
    Inventors: Chang-Eun YEO, Wonsuk CHOI
  • Patent number: 8643324
    Abstract: The present invention relates to a portable auxiliary power-source device for a vehicle, and more specifically to a portable auxiliary power-source device which incorporates a rechargeable battery and is able to temporarily charge while the vehicle's battery is discharging, and is able to effect ignition of the vehicle and charge portable, personal digital devices.
    Type: Grant
    Filed: February 1, 2010
    Date of Patent: February 4, 2014
    Assignee: N Navi Solution
    Inventor: Chang Eun Yeo
  • Publication number: 20110279089
    Abstract: The present invention relates to a portable auxiliary power-source device for a vehicle, and more specifically to a portable auxiliary power-source device which incorporates a rechargeable battery and is able to temporarily charge while the vehicle's battery is discharging, and is able to effect ignition of the vehicle and charge portable, personal digital devices.
    Type: Application
    Filed: February 1, 2010
    Publication date: November 17, 2011
    Applicant: N NAVI SOLUTION
    Inventor: Chang Eun Yeo