Patents by Inventor Jae Sik Ryoo

Jae Sik Ryoo 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: 20140065906
    Abstract: There are provided a super hydrophobic membrane and a method of manufacturing the same, the super hydrophobic membrane including a base layer containing a base polymer and a water-repellent additive containing fluorine, and having a nano-fiber structure. The super hydrophobic membrane capable of having water-repellency even with respect to liquid such as a surfactant, having relatively low surface energy, may be implemented.
    Type: Application
    Filed: December 7, 2012
    Publication date: March 6, 2014
    Applicant: Samsung Electro-Mechanics Co., LTD.
    Inventors: Sun Ok Kim, Jin Wook Na, Kwon Min Jeon, Jae Sik Ryoo
  • Patent number: 8356535
    Abstract: A precision machining apparatus includes a bite machining an object being rotated, according to a correction value, a fixing jig closely attaching the object to the bite and rotatably fixing the object, an optical unit magnifying and verifying a machining position on the object being rotated, a height control part controlling a height of the bite according to the machining position on the object, and an interval control part connected to an end portion of the bite and controlling an interval between the bite and the object.
    Type: Grant
    Filed: October 2, 2009
    Date of Patent: January 22, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Sik Ryoo, Tae Jun Choi
  • Publication number: 20130017748
    Abstract: Disclosed herein is a porous sheet, including a fine fiber web, wherein the fine fiber web is formed by bonding fine fibers with each other using an adhesive material.
    Type: Application
    Filed: December 21, 2011
    Publication date: January 17, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Wook NA, Jae Sik RYOO, Jun Hwan YOO, Sun Ok KIM
  • Publication number: 20100225038
    Abstract: A precision machining apparatus includes a bite machining an object being rotated, according to a correction value, a fixing jig closely attaching the object to the bite and rotatably fixing the object, an optical unit magnifying and verifying a machining position on the object being rotated, a height control part controlling a height of the bite according to the machining position on the object, and an interval control part connected to an end portion of the bite and controlling an interval between the bite and the object.
    Type: Application
    Filed: October 2, 2009
    Publication date: September 9, 2010
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Sik Ryoo, Tae Jun Choi