Patents by Inventor Hak-Rae Cho

Hak-Rae 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).

  • Resonance device
    Patent number: 9520634
    Abstract: A resonance device is disclosed. The resonance device in accordance with an embodiment of the present invention includes: a case including a first ground surface and a second ground surface which face each other; a stacked part formed inside the case by stacking a first conductive layer and a second conductive layer, wherein the first conductive layer is grounded to the first ground surface and the second conductive layer is separated from the first conductive layer without being grounded to the first ground surface; and a transmission layer connecting the second conductive layer to the second ground surface.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: December 13, 2016
    Assignee: Innertron, Inc.
    Inventors: Hak-Rae Cho, Soo-Duk Seo, Jeong-Pyo Kim
  • Multi-band filter
    Patent number: 9467193
    Abstract: A multi-band filter is disclosed. The multi-band filter includes: a housing including an antenna connector connected to an antenna and a plurality of input/output connectors inputting/outputting signals transmitted and received through the antenna depending on a preset frequency band; a plurality of band pass filter units provided in the housing and passing the signals in the preset frequency band therethrough between the antenna connector and the input/output connectors; and a coupling unit including a plurality of feeding parts so as to couple the antenna connector and each of the plurality of band pass filter units to each other.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: October 11, 2016
    Assignee: Innertron, Inc.
    Inventors: Hak-Rae Cho, Soo-Duk Seo, Moon-Bong Ko
  • MULTI-BAND FILTER
    Publication number: 20150280300
    Abstract: A multi-band filter is disclosed. The multi-band filter includes: a housing including an antenna connector connected to an antenna and a plurality of input/output connectors inputting/outputting signals transmitted and received through the antenna depending on a preset frequency band; a plurality of band pass filter units provided in the housing and passing the signals in the preset frequency band therethrough between the antenna connector and the input/output connectors; and a coupling unit including a plurality of feeding parts so as to couple the antenna connector and each of the plurality of band pass filter units to each other.
    Type: Application
    Filed: March 28, 2014
    Publication date: October 1, 2015
    Applicant: Innertron, Inc.
    Inventors: Hak-Rae Cho, Soo-Duk Seo, Moon-Bong Ko
  • RESONANCE DEVICE
    Publication number: 20140306782
    Abstract: A resonance device is disclosed. The resonance device in accordance with an embodiment of the present invention includes: a case including a first ground surface and a second ground surface which face each other; a stacked part formed inside the case by stacking a first conductive layer and a second conductive layer, wherein the first conductive layer is grounded to the first ground surface and the second conductive layer is separated from the first conductive layer without being grounded to the first ground surface; and a transmission layer connecting the second conductive layer to the second ground surface.
    Type: Application
    Filed: September 27, 2013
    Publication date: October 16, 2014
    Applicant: Innertron, Inc.
    Inventors: Hak-Rae Cho, Soo-Duk Seo, Jeong-Pyo Kim