Patents by Inventor Seung-Han Seo

Seung-Han Seo 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: 20240076468
    Abstract: An embodiment resin composition for shielding electromagnetic waves, based on a total weight of the resin composition, includes 20 to 80 wt % of thermoplastic resin, 1 to 50 wt % of a conductive filler, and 0.1 to 30 wt % of an additive.
    Type: Application
    Filed: January 16, 2023
    Publication date: March 7, 2024
    Inventors: Seung-Woo Choi, Dong-Bum Seo, Kyun Oh, Yu-Hyun Song, Yang-Jin Kwon, Joo-Han Lee
  • Patent number: 7602344
    Abstract: Provided is a portable terminal with a variable ground unit. The portable terminal includes a main board including a ground layer having a predetermined area; at least one antenna radiator placed at the main board; at least one conductor installed or formed in the terminal and spaced apart from the ground layer; at least one switching unit interposed between the at least one conductor and the ground layer, the switching unit selectively connecting the conductor to the ground layer through an electrical connection unit; and a controller controlling the switching unit so that the conductor and the ground layer of the main board are selectively electrically connected depending on a state of the terminal.
    Type: Grant
    Filed: December 13, 2007
    Date of Patent: October 13, 2009
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jong-Kui Park, Dae-Chul Kang, Hyu-Myung Jeon, Yue-Il Youn, Seung-Han Seo
  • Publication number: 20080143614
    Abstract: Provided is a portable terminal with a variable ground unit. The portable terminal includes a main board including a ground layer having a predetermined area; at least one antenna radiator placed at the main board; at least one conductor installed or formed in the terminal and spaced apart from the ground layer; at least one switching unit interposed between the at least one conductor and the ground layer, the switching unit selectively connecting the conductor to the ground layer through an electrical connection unit; and a controller controlling the switching unit so that the conductor and the ground layer of the main board are selectively electrically connected depending on a state of the terminal.
    Type: Application
    Filed: December 13, 2007
    Publication date: June 19, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-Kui PARK, Dae-Chul Kang, Hyu-Myung Jeon, Yue-Ii Youn, Seung-Han Seo