Patents by Inventor Hak Joon Kim

Hak Joon Kim 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: 20240139474
    Abstract: Provided is a magnetic actuation system controlling a magnetic microrobot, a magnetic actuation catheter, or a guide wire by using a magnetic field, and more particularly, a magnetic actuation system compatible with a C-arm that is applied to the C-arm, which is a mobile X-ray fluoroscopy device, in order to enable control of the microrobot or a catheter treatment in a human body by using the C-arm.
    Type: Application
    Filed: October 25, 2023
    Publication date: May 2, 2024
    Applicant: Daegu Gyeongbuk Institute of Science and Technology
    Inventors: Hong Soo Choi, Hak Joon Lee, Jin Young Kim
  • Publication number: 20240145143
    Abstract: Provided are a magnetic actuation device using a permanent magnet which may generate a magnetic field for a long time with lower power and lower heat by using the permanent magnet, and a system using the same. The magnetic actuation device may utilize the plurality of permanent magnets for controlling an alignment direction with two degrees of freedom to thus exclude an actuation element limiting space utilization, such as a robot arm, thus allowing an operator using a medical device to perform a safe procedure on a patient.
    Type: Application
    Filed: September 7, 2023
    Publication date: May 2, 2024
    Applicant: Daegu Gyeongbuk Institute of Science and Technology
    Inventors: Hong Soo CHOI, Hak Joon LEE, Jin Young KIM, Sarmad Ahmad Abbasi, Awais Ahmed, A M Masum Bulbul Chowdhury, Nader Latifi Gharamaleki
  • Patent number: 11883781
    Abstract: An exemplary embodiment of the present invention relates to an apparatus and method for removing nitrogen oxide from exhaust gas. The apparatus for removing nitrogen oxide from exhaust gas includes: a chamber through which exhaust gas is introduced and discharged; a nozzle injecting a solution, which reacts with the exhaust gas introduced into the chamber, into the chamber; and an electric dust collecting unit installed at a rear end of the chamber to be supplied with the exhaust gas processed in the chamber and including a discharge unit and a dust collecting unit.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: January 30, 2024
    Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Hak Joon Kim, Yong-Jin Kim, Bangwoo Han
  • Publication number: 20230087167
    Abstract: An exemplary embodiment of the present invention relates to an apparatus and method for removing nitrogen oxide from exhaust gas. The apparatus for removing nitrogen oxide from exhaust gas includes: a chamber through which exhaust gas is introduced and discharged; a nozzle injecting a solution, which reacts with the exhaust gas introduced into the chamber, into the chamber; and an electric dust collecting unit installed at a rear end of the chamber to be supplied with the exhaust gas processed in the chamber and including a discharge unit and a dust collecting unit.
    Type: Application
    Filed: February 19, 2021
    Publication date: March 23, 2023
    Inventors: Hak Joon KIM, Yong-Jin KIM, Bangwoo HAN
  • Publication number: 20230043215
    Abstract: The apparatus for diluting exhaust gas according to an exemplary embodiment of the present invention includes a stagnant air forming unit configured to form stagnant air by decelerating a flow velocity of introduced exhaust gas, an ejector unit connected to a front end of the stagnant air forming unit and configured to discharge the exhaust gas to a front, and a dilution unit coupled to a front end of the ejector unit.
    Type: Application
    Filed: July 20, 2022
    Publication date: February 9, 2023
    Inventors: Bangwoo HAN, Gunhee LEE, Inyong PARK, Sang Bok KIM, Keejung HONG, Hak Joon KIM, Yeawan LEE, Yong-Jin KIM
  • Patent number: 11474008
    Abstract: An exhaust gas dilution device according to an exemplary embodiment of the present invention includes a head part, ejector unit, a nozzle part, and a dilution part. The head part has a space part into which an exhaust gas flows and a through-hole formed through the center axis direction to be connected to the space part. The ejector unit is coupled to the head part and has a first discharge hole formed passing through the center axis direction to be connected to the through-hole and connected to a first inlet to which primary dilution air is supplied. The nozzle part is inserted into a first discharge hole through the through-hole and has a second discharge hole that penetrates in the center axis direction so that the exhaust gas flowed into the space part is sucked and ejected into the first discharge hole as the primary dilution air moves through the first discharge hole.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: October 18, 2022
    Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Bangwoo Han, Chang Gyu Woo, Hak Joon Kim, Yong-Jin Kim
  • Publication number: 20210278325
    Abstract: An exhaust gas dilution device according to an exemplary embodiment of the present invention includes a head part, ejector unit, a nozzle part, and a dilution part. The head part has a space part into which an exhaust gas flows and a through-hole formed through the center axis direction to be connected to the space part. The ejector unit is coupled to the head part and has a first discharge hole formed passing through the center axis direction to be connected to the through-hole and connected to a first inlet to which primary dilution air is supplied. The nozzle part is inserted into a first discharge hole through the through-hole and has a second discharge hole that penetrates in the center axis direction so that the exhaust gas flowed into the space part is sucked and ejected into the first discharge hole as the primary dilution air moves through the first discharge hole.
    Type: Application
    Filed: June 25, 2019
    Publication date: September 9, 2021
    Applicant: Korea Institute of Machinery & Materials
    Inventors: Bangwoo HAN, Chang Gyu WOO, Hak Joon KIM, Yong-Jin KIM
  • Patent number: 10399091
    Abstract: There is provided an electrostatic precipitation device of explosive exhaust gas particles that can remove by unipolar charging a particulate material such as SiO2 that is included in an explosive exhaust gas by charging the explosive exhaust gas with an indirect charging method of charging through ions that are injected from the outside.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: September 3, 2019
    Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Yong-Jin Kim, Hak Joon Kim, BangWoo Han, ChangGyu Woo
  • Patent number: 9764334
    Abstract: A vehicle air purifying apparatus is provided. The vehicle air purifying apparatus includes: a charger configured to discharge positive (+) ions or negative (?) ions to charge particles included in harmful gas; a removable collecting electrode configured to have positive (+) or negative (?) polarity to allow the particles charged by the charger to be attached thereto; and a filter configured to filter harmful gas and have positive (+) or negative (?) polarity, and the filter is formed in a tubular shape having an empty space therein and the removable collecting electrode is inserted into the filter.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: September 19, 2017
    Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Hak Joon Kim, Yong-Jin Kim, Bangwoo Han
  • Publication number: 20170197220
    Abstract: There is provided an electrostatic precipitation device of explosive exhaust gas particles that can remove by unipolar charging a particulate material such as SiO2 that is included in an explosive exhaust gas by charging the explosive exhaust gas with an indirect charging method of charging through ions that are injected from the outside.
    Type: Application
    Filed: January 6, 2017
    Publication date: July 13, 2017
    Inventors: Yong-Jin KIM, Hak Joon Kim, BangWoo Han, ChangGyu Woo
  • Publication number: 20160299427
    Abstract: A method of forming fine patterns includes performing an exposure process to generate acids in first regions of a chemically amplified resist (CAR) layer, removing the exposed first regions using a first development process to form a first resist pattern, diffusing acids in sidewall portions of the first resist pattern into a bulk region of the first resist pattern to form second regions in which the acids are diffused and to form a plurality of third regions between the second regions, and removing the third regions using a second development process to form second resist patterns.
    Type: Application
    Filed: August 11, 2015
    Publication date: October 13, 2016
    Inventors: Hak Joon KIM, Bo Hye KIM, Joon Seuk LEE, Yong Hyun LIM, Ji Young IM
  • Publication number: 20160126640
    Abstract: Provided is a diversity antenna apparatus of a mobile terminal including a main antenna and a sub-antenna for performing an auxiliary function using a separate sub-antenna processing module, and an implementation method thereof. When the auxiliary function is not performed, a controller of the mobile terminal disconnects the sub-antenna from the sub-antenna processing module and electrically connects the sub-antenna to an RF module through a switch such that the sub-antenna operates as a diversity antenna.
    Type: Application
    Filed: January 8, 2016
    Publication date: May 5, 2016
    Inventor: Hak-Joon KIM
  • Publication number: 20160102589
    Abstract: A vehicle air purifying apparatus is provided. The vehicle air purifying apparatus includes: a charger configured to discharge positive (+) ions or negative (?) ions to charge particles included in harmful gas; a removable collecting electrode configured to have positive (+) or negative (?) polarity to allow the particles charged by the charger to be attached thereto; and a filter configured to filter harmful gas and have positive (+) or negative (?) polarity, and the filter is formed in a tubular shape having an empty space therein and the removable collecting electrode is inserted into the filter.
    Type: Application
    Filed: May 11, 2015
    Publication date: April 14, 2016
    Inventors: Hak Joon KIM, Yong-Jin KIM, Bangwoo HAN
  • Patent number: 9258023
    Abstract: Provided is a diversity antenna apparatus of a mobile terminal including a main antenna and a sub-antenna for performing an auxiliary function using a separate sub-antenna processing module, and an implementation method thereof. When the auxiliary function is not performed, a controller of the mobile terminal disconnects the sub-antenna from the sub-antenna processing module and electrically connects the sub-antenna to an RF module through a switch such that the sub-antenna operates as a diversity antenna.
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: February 9, 2016
    Assignee: Samsung Electronics Co., Ltd
    Inventor: Hak-Joon Kim
  • Publication number: 20140358489
    Abstract: A nonlinearity parameter measuring method and system is configured to separately process a signal of a fundamental wave and second harmonic wave that went through a probe attached to a specimen using a circuit including an analogue band pass filter and intermediate frequency amplifier, and minimize the effects caused by noise, thereby measuring an exact nonlinearity parameter.
    Type: Application
    Filed: June 4, 2014
    Publication date: December 4, 2014
    Inventors: To KANG, Hunhee KIM, Hak Joon KIM, Taek Gyu LEE, Sungjin SONG
  • Patent number: 8367302
    Abstract: A method and apparatus for manufacturing a semiconductor device is disclosed. In particular, the application discloses a method that performs a lithography process using a material capable of increasing a depth of focus so as to prevent efficiency of the lithography process from being degraded due to high integration of a semiconductor device, and a pressure-type bake oven as an apparatus for forming a high refractive material on a semiconductor substrate, having advantages of reducing manufacturing costs of a semiconductor manufacturing process and increasing efficiency of the lithography process.
    Type: Grant
    Filed: January 6, 2011
    Date of Patent: February 5, 2013
    Assignee: Hynix Semiconductor Inc.
    Inventors: Hak Joon Kim, Jun Hyung Park
  • Publication number: 20110151382
    Abstract: A method and apparatus for manufacturing a semiconductor device is disclosed. In particular, the application discloses a method that performs a lithography process using a material capable of increasing a depth of focus so as to prevent efficiency of the lithography process from being degraded due to high integration of a semiconductor device, and a pressure-type bake oven as an apparatus for forming a high refractive material on a semiconductor substrate, having advantages of reducing manufacturing costs of a semiconductor manufacturing process and increasing efficiency of the lithography process.
    Type: Application
    Filed: January 6, 2011
    Publication date: June 23, 2011
    Inventors: Hak Joon KIM, Jun Hyung Park
  • Patent number: 7887323
    Abstract: A method and apparatus for manufacturing a semiconductor device is disclosed. In particular, the application discloses a method that performs a lithography process using a material capable of increasing a depth of focus so as to prevent efficiency of the lithography process from being degraded due to high integration of a semiconductor device, and a pressure-type bake oven as an apparatus for forming a high refractive material on a semiconductor substrate, having advantages of reducing manufacturing costs of a semiconductor manufacturing process and increasing efficiency of the lithography process.
    Type: Grant
    Filed: November 7, 2007
    Date of Patent: February 15, 2011
    Assignee: Hynix Semiconductor Inc.
    Inventors: Hak Joon Kim, Jun Hyung Park
  • Publication number: 20090004610
    Abstract: A method and apparatus for manufacturing a semiconductor device is disclosed. In particular, the application discloses a method that performs a lithography process using a material capable of increasing a depth of focus so as to prevent efficiency of the lithography process from being degraded due to high integration of a semiconductor device, and a pressure-type bake oven as an apparatus for forming a high refractive material on a semiconductor substrate, having advantages of reducing manufacturing costs of a semiconductor manufacturing process and increasing efficiency of the lithography process.
    Type: Application
    Filed: November 7, 2007
    Publication date: January 1, 2009
    Inventors: Hak Joon Kim, Jun Hyung Park
  • Publication number: 20080227485
    Abstract: Disclosed is an apparatus and method for transceiving in a multi mode portable communication system. The apparatus includes a first antenna, a second antenna, a first switch, and a communication unit. The first antenna is capable of transceiving a signal of a first communication mode. The second antenna is capable of transceiving a signal of a second communication mode. The first switch connects with a first communication mode transceiver or a second communication mode transceiver. The communication unit connects the first switch and a second switch with the first communication mode transceiver.
    Type: Application
    Filed: January 16, 2008
    Publication date: September 18, 2008
    Inventor: Hak-Joon KIM