Patents by Inventor Chang-Hwan Ji

Chang-Hwan Ji 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: 20240139436
    Abstract: A method of controlling injection of a drug includes receiving a captured medical image of an object, identifying an object of interest from the medical image, based on a position and a shape of the object of interest, determining a drug injection position, based on the position and the shape of the object of interest, determining a plurality of electrode insertion positions, the plurality of electrodes being configured to supply a current to move the drug, defining a drug movement path based on a shape of the identified object of interest, generating current sequence information to move the drug along the drug movement path, the current sequence information defining a current applied over time to each of the plurality of electrodes, and outputting the current sequence information to a current source apparatus.
    Type: Application
    Filed: October 30, 2023
    Publication date: May 2, 2024
    Applicants: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Young Bin Choy, Han Bi Ji, Chang Hee Min, Jae Hoon Han, Won Seok Chang, Jun Won Park, Chang-Hwan Im, Kyeong-Gu Lee
  • Patent number: 9562816
    Abstract: Provided is an apparatus for inspecting a magazine including a plurality of partially-finished products. The apparatus is configured to inspect a stopper of the magazine before providing the magazine to a packaging process, and further configured to classify the stopper into a normal product. The magazine comprising the stopper classified as the normal product is into the packaging process.
    Type: Grant
    Filed: August 20, 2014
    Date of Patent: February 7, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-hwan Ji, Jung-hun Choi, Sung-yeol Lee, Hee-sang Yang, Jae-nam Lee
  • Publication number: 20150053595
    Abstract: Provided is an apparatus for inspecting a magazine including a plurality of partially-finished products. The apparatus is configured to inspect a stopper of the magazine before providing the magazine to a packaging process, and further configured to classify the stopper into a normal product. The magazine comprising the stopper classified as the normal product is into the packaging process.
    Type: Application
    Filed: August 20, 2014
    Publication date: February 26, 2015
    Inventors: Chang-hwan Ji, Jung-hun Choi, Sung-yeol Lee, Hee-sang Yang, Jae-nam Lee
  • Publication number: 20130191393
    Abstract: The disclosure relates to an emotional matching system and a matching method for linking ideal mates by finding optimal ideal mates by identifying the level of attraction to the appearance of the other member and tendencies toward music, movies, and food through an emotional-based approach using brainwave changes.
    Type: Application
    Filed: September 29, 2011
    Publication date: July 25, 2013
    Applicant: BAROYEON CO., LTD
    Inventor: Chang Hwan Ji
  • Patent number: 8317015
    Abstract: A locking apparatus for locking a magazine configured to receive a printed circuit board (PCB) may include an actuator, a rotating block, and a locking member. The actuator may be installed on the magazine. The rotating block may be connected to the actuator. The rotating block may be rotated about a vertical axis. The locking member may be rotatably connected to the magazine about the vertical axis. The locking member may be selectively combined with the rotating block to block a front face of the magazine, thereby preventing breakaway of the PCB from the magazine.
    Type: Grant
    Filed: June 28, 2010
    Date of Patent: November 27, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Hwan Ji, Jong-Hoon Kim, Hee-Sang Yang, Jae-Nam Lee, Jong-Chul Kim
  • Publication number: 20110042242
    Abstract: A locking apparatus for locking a magazine configured to receive a printed circuit board (PCB) may include an actuator, a rotating block, and a locking member. The actuator may be installed on the magazine. The rotating block may be connected to the actuator. The rotating block may be rotated about a vertical axis. The locking member may be rotatably connected to the magazine about the vertical axis. The locking member may be selectively combined with the rotating block to block a front face of the magazine, thereby preventing breakaway of the PCB from the magazine.
    Type: Application
    Filed: June 28, 2010
    Publication date: February 24, 2011
    Inventors: Chang-Hwan Ji, Jong-Hoon Kim, Hee-Sang Yang, Jae-Nam Lee, Jong-Chul Kim
  • Patent number: 6584085
    Abstract: An apparatus for and a method of allocating D-channel to minimum channel when performing a basic rate interface (BRI) in WLL, in which D-channel is allocated to the minimum channel when connection is made to V5.
    Type: Grant
    Filed: November 19, 1999
    Date of Patent: June 24, 2003
    Assignee: Hyundai Curitel, Inc.
    Inventor: Chang-Hwan Ji