Patents by Inventor Jang-Hwan Bae

Jang-Hwan Bae 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: 11411317
    Abstract: The present embodiments provide a dual band antenna which divides a feed signal into two levels by a feed layer in which two layers are stacked and disposes an antenna slot in an antenna layer connected to a feed layer in a dual mode to minimize a space for an antenna.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: August 9, 2022
    Assignee: UIF (University Industry Foundation), Yonsei University
    Inventors: Young Joong Yoon, Jang Hwan Bae
  • Publication number: 20210242592
    Abstract: The present embodiments provide a dual band antenna which divides a feed signal into two levels by a feed layer in which two layers are stacked and disposes an antenna slot in an antenna layer connected to a feed layer in a dual mode to minimize a space for an antenna.
    Type: Application
    Filed: December 9, 2020
    Publication date: August 5, 2021
    Inventors: Young Joong YOON, Jang Hwan BAE
  • Publication number: 20090143118
    Abstract: A cellular phone antenna and a manufacturing method of the same are disclosed, in which a high frequency characteristic and a product safety are enhanced using a cellular phone antenna which is manufactured by preventing an antenna device from being transformed. The cellular phone antenna comprises an antenna base which is engaged in an interior of a cellular phone; an antenna which is installed at the antenna base; a connection terminal which is connected with the antenna; and a holder which is attached to the antenna base so that the antenna and the connection terminal are connected.
    Type: Application
    Filed: June 19, 2006
    Publication date: June 4, 2009
    Inventor: Jang-Hwan Bae