Patents by Inventor Sangjea LEE

Sangjea LEE 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: 11645945
    Abstract: An education device for guiding brushing teeth and a hand washing method according to the present disclosure comprises: a memory for storing the brushing teeth and hand washing method data; a processor for retrieving the data from the memory and controlling the brushing teeth and hand washing method to be guided to an output device; a brushing teeth input device for inputting a command to guide the brushing teeth method; a hand washing input device for inputting a command to guide the hand washing method; a voice output device for guiding the brushing teeth or hand washing method by voice according to a control of the processor; a brushing teeth output device for visually outputting the brushing teeth method; and a hand washing output device for visually outputting the hand washing method.
    Type: Grant
    Filed: October 11, 2022
    Date of Patent: May 9, 2023
    Inventor: Sangjea Lee
  • Publication number: 20230073496
    Abstract: An education device for guiding brushing teeth and a hand washing method according to the present disclosure comprises: a memory for storing the brushing teeth and hand washing method data; a processor for retrieving the data from the memory and controlling the brushing teeth and hand washing method to be guided to an output device; a brushing teeth input device for inputting a command to guide the brushing teeth method; a hand washing input device for inputting a command to guide the hand washing method; a voice output device for guiding the brushing teeth or hand washing method by voice according to a control of the processor; a brushing teeth output device for visually outputting the brushing teeth method; and a hand washing output device for visually outputting the hand washing method.
    Type: Application
    Filed: October 11, 2022
    Publication date: March 9, 2023
    Inventor: Sangjea LEE
  • Publication number: 20210155758
    Abstract: The present invention relates to an optical transparent resin comprising: 1) a polyorganosiloxane resin represented by chemical formula 1 above; and 2) at least one light initiator, the optical transparent resin having a refractive index of 1.41-1.55, and to an electronic element formed by using the optical transparent resin.
    Type: Application
    Filed: April 24, 2018
    Publication date: May 27, 2021
    Applicant: Momentive Performance Materials Korea Co., Ltd.
    Inventors: Hyunjin PARK, Sangjea LEE, Cheonki KIM