Patents by Inventor Sung Gyoo CHOI

Sung Gyoo CHOI 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: 20180054674
    Abstract: A portable noise measuring device includes: a head part disposed at a front end of a body part and applying a pressure to an external object; a microphone disposed inside the body part and measuring noise; and an output part mounted on an outside surface of the body part and displaying a level of the noise measured by the microphone.
    Type: Application
    Filed: December 5, 2016
    Publication date: February 22, 2018
    Inventors: Sung Gyoo CHOI, Sung Uk CHOI, Se Min MOON, Young Key KIM, Ki Ho JANG