Patents by Inventor So-young Oh

So-young Oh 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).

  • PIEZOELECTRIC INKJET HEAD
    Publication number: 20080309736
    Abstract: A piezoelectric inkjet head includes a plurality of pressure chambers in which ink to be ejected is filled. A plurality of piezoelectric actuators is respectively disposed in correspondence to the pressure chambers. A plurality of nozzles is in fluid communication with the pressure chambers, and at least two nozzles are formed in each of the pressure chambers.
    Type: Application
    Filed: October 25, 2007
    Publication date: December 18, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang-kwon Wee, So-young Oh, Hwa-sun Lee