Patents by Inventor Chul Gyu Song

Chul Gyu Song 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: 20190076005
    Abstract: A fluorescent imaging device for plaque monitoring enables fluorescent imaging in a normal environment other than a dark room, thereby preventing inconvenience for both a medical staff and a patient due to the dark room. Also, a carotid artery plaque can be monitored in greater detail and in a short time by means of generating and combining a fluorescent image and a photo-acoustic image.
    Type: Application
    Filed: February 1, 2017
    Publication date: March 14, 2019
    Inventors: Chul Gyu SONG, Sang Hun PARK
  • Patent number: 7359750
    Abstract: Disclosed herein is an apparatus and method for measuring bio-impedance attributable to joint movement. The bio-impedance measuring apparatus includes a constant current source, current stimulus electrodes, at least two voltage detection electrodes, a demodulator, a signal gain and offset controller and an isolated amplifier.
    Type: Grant
    Filed: September 23, 2003
    Date of Patent: April 15, 2008
    Inventors: Chul Gyu Song, Jeong Hwan Seo, Deok Won Kim, Soo Chan Kim, Dae Young Youn, Jong Chan Kim, Hee Chang Lee
  • Publication number: 20040167420
    Abstract: Disclosed herein is an apparatus and method for measuring bio-impedance attributable to joint movement. The bio-impedance measuring apparatus includes a constant current source, current stimulus electrodes, at least two voltage detection electrodes, a demodulator, a signal gain and offset controller and an isolated amplifier.
    Type: Application
    Filed: September 23, 2003
    Publication date: August 26, 2004
    Inventors: Chul Gyu Song, Jeong Hwan Seo, Deok Won Kim, Soo Chan Kim, Dae Young Youn, Jong Chan Kim, Hee Chang Lee