Patents by Inventor Sang Byong Choi

Sang Byong 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).

  • Lithium metal patterning and electrochemical device using the same
    Patent number: 11990602
    Abstract: A lithium metal is physically pressed to a silicon wafer having a uniform intaglio or embossed pattern formed thereon in advance, or liquid lithium is applied to the silicon wafer and may then be cooled in order to form a uniform pattern on the surface of the lithium metal.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: May 21, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Oh-Byong Chae, Eun-Kyung Kim, Sang-Wook Woo, Geun-Sik Jo, Soo-Hee Kang, Hee-Won Choi
  • Reclining chair
    Publication number: 20020014791
    Abstract: A reclining chair (10), having a frame (16) including first and second angled members (32) and first and second upright members (34). A support surface (18) has a back portion (15) which is held in position by the first and second upright members (34). Each of the first and second upright members (34) is attached to one of first and second angled members (32) by reversible joints (39), so that the reclining chair (10) is movable from an upright position (12) when the reversible joints (39) are in a first position, to a reclining position (14) when the reversible joints (39) have been reversed to a second position.
    Type: Application
    Filed: February 23, 2001
    Publication date: February 7, 2002
    Inventors: Sang Byong Choi, Ho Sik Byun