Patents by Inventor Yong Joon Hwang

Yong Joon Hwang 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).

  • Patent number: 11945744
    Abstract: Disclosed are a method and apparatus for reusing wastewater. The method for reusing wastewater disclosed herein includes: generating a mixed wastewater by mixing multiple types of wastewater (S20); performing a first purification by passing the mixed wastewater through a flocculation-sedimentation unit (S40); performing a second purification by passing an effluent of the flocculation-sedimentation unit through a membrane bioreactor (MBR) (S60); performing a third purification by passing an effluent of the MBR through a reverse-osmosis membrane unit (S80); and reusing an effluent of the reverse-osmosis membrane unit as cooling water or industrial water (S100).
    Type: Grant
    Filed: April 14, 2023
    Date of Patent: April 2, 2024
    Assignees: SAMSUNG ENGINEERING CO., LTD., SAMSUNG ELECTRONICS CO., LTD
    Inventors: Seok Hwan Hong, Dae Soo Park, Seung Joon Chung, Yong Xun Jin, Jae Hyung Park, Jae Hoon Choi, Jae Dong Hwang, Jong Keun Yi, Su Hyoung Cho, Kyu Won Hwang, June Yurl Hur, Je Hun Kim, Ji Won Chun
  • Patent number: D652811
    Type: Grant
    Filed: June 3, 2010
    Date of Patent: January 24, 2012
    Assignee: LG Electronics Inc.
    Inventors: Tae Uk Kim, Hyun Byung Cha, Jin Kim, Yong Joon Hwang, Jeong Rok Lee
  • Patent number: D655684
    Type: Grant
    Filed: June 3, 2010
    Date of Patent: March 13, 2012
    Assignee: LG Electronics Inc.
    Inventors: Tae Uk Kim, Hyun Byung Cha, Jin Kim, Yong Joon Hwang, Jeong Rok Lee
  • Patent number: D736729
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: August 18, 2015
    Assignee: LG Electronics Inc.
    Inventor: Yong Joon Hwang
  • Patent number: D902447
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: November 17, 2020
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Wang Li, Xiaoqing Duan, Mo Ling Gen, Yun Fei Duan, Wang Tzu Wei, Yong Joon Hwang, Zhong Wang, Steven Fei