Patents by Inventor Yoong-Kwan CHO

Yoong-Kwan CHO 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).

  • Touch pen for an electronic device
    Patent number: 11747918
    Abstract: The disclosure relates to a touch pen capable of being used in electronic devices. The touch pen includes a pen body having an accommodation space extending in a longitudinal direction, a pen tip coupled to one end of the pen body, a plurality of weight members disposed inside the accommodation space of the pen body, and a buffer material disposed between adjacent weight members among the plurality of weight members to prevent movement of the plurality of weight members in the longitudinal direction.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: September 5, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Pil Seo, Dong Keun Kang, Dong Oh Kim, Sung Jun Kim, You Sub Lee, Yoong-Kwan Cho
  • TOUCH PEN
    Publication number: 20220179505
    Abstract: The disclosure relates to a touch pen capable of being used in electronic devices. The touch pen includes a pen body having an accommodation space extending in a longitudinal direction, a pen tip coupled to one end of the pen body, a plurality of weight members disposed inside the accommodation space of the pen body, and a buffer material disposed between adjacent weight members among the plurality of weight members to prevent movement of the plurality of weight members in the longitudinal direction.
    Type: Application
    Filed: February 23, 2022
    Publication date: June 9, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Pil SEO, Dong Keun KANG, Dong Oh KIM, Sung Jun KIM, You Sub LEE, Yoong-Kwan CHO