Patents by Inventor Youngduk Song

Youngduk 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).

  • Test meter
    Patent number: D724223
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: March 10, 2015
    Assignee: ARKRAY, Inc.
    Inventors: Hisashi Nishiyama, Yuji Kurata, Yeongkyu Yoo, Youngduk Song, Sunman Kwon
  • Test meter
    Patent number: D724224
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: March 10, 2015
    Assignee: Arkray, Inc.
    Inventors: Hisashi Nishiyama, Yeongkyu Yoo, Youngduk Song, Sunman Kwon