Patents by Inventor Chang-hoon Jung

Chang-hoon Jung 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: 11981618
    Abstract: The present invention relates to a novel p62 ligand compound, a stereoisomer, hydrate, solvate or prodrug thereof, and a pharmaceutical or food composition for preventing or treating proteinopathies comprising the same as an active ingredient. The p62 ligand compound according to the present invention can be usefully used as a pharmaceutical composition for the prevention, amelioration or treatment of various proteinopathies by activating autophagy in cells and thus selectively eliminating in vivo proteins, organelles and aggregates.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: May 14, 2024
    Assignee: AUTOTAC INC.
    Inventors: Yong Tae Kwon, Chang Hoon Ji, Srinivasrao Ganipisetti, Hee Yeon Kim, Su Ran Mun, Chan Hoon Jung, Eui Jung Jung, Ki Woon Sung
  • Publication number: 20240132357
    Abstract: An embodiment of the present specification provides a method for preparing a catalyst for preparing a carbon nanotube, comprising: (a) dissolving a main catalyst precursor, a support precursor, a cocatalyst precursor and a precipitation inhibitor in a solvent to prepare a precursor solution; and (b) pyrolyzing the precursor solution by spraying the precursor solution into a reactor, wherein a mole fraction of the precipitation inhibitor to the cocatalyst precursor is 0.1 to 1.5.
    Type: Application
    Filed: October 19, 2023
    Publication date: April 25, 2024
    Applicant: KOREA KUMHO PETROCHEMICAL CO., LTD.
    Inventors: Myung Hoon JEONG, Hyun Tae KIM, Sang Hyo RYU, Chung Heon JEONG, Wan Sung LEE, Woo Ram JUNG, Chang Gu KANG
  • Patent number: 11957741
    Abstract: The invention relates to the use of an animal-protein-free botulinum toxin composition to treat a disease, disorder or condition in a patient in need thereof whereby the animal-protein-free botulinum toxin composition exhibits a longer lasting effect in the patient compared to an animal-protein-containing botulinum toxin composition.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: April 16, 2024
    Assignee: MEDY-TOX, INC.
    Inventors: Hyun Ho Jung, Gi Hyeok Yang, Hyun Jee Kim, Chang Hoon Rhee
  • Publication number: 20180210819
    Abstract: A method of testing a web browser plug-in including the steps of: creating a master key identifying all possible values from activities on a website which are desired to be recorded and passing those values to a database controlled by the web browser plug-in; using one or more processors, switching control between the web browser and plug-in to execute all possible activities on a website which are desired to be recorded, passing those values to the database controlled by the web browser plug-in; and comparing the values obtained from the web browser plug-in with the master key values. Any received value that does not match the master key value is flagged for correction by the website programmer.
    Type: Application
    Filed: January 25, 2017
    Publication date: July 26, 2018
    Inventors: Chang Hoon JUNG, Phan Phu Thanh DO
  • Publication number: 20140052535
    Abstract: A wired/wireless Internet IP sharing device for controlling network access and a method of providing an advertisement using the same are disclosed. The method of providing the advertisement using the Internet internet protocol (IP) sharing device for controlling network access of a terminal may include providing an advertisement comprising at least one of coupon information, discount information, and product information associated with a location in which the internet IP sharing device is installed to the terminal when a network access request is received from the terminal, and allowing the terminal to access a network when the advertisement is run on the terminal, wherein the allowing includes allowing the terminal to access the network unconditionally when at least one action of a user of the terminal among clicking the advertisement, reproducing a video included in the advertisement, and executing a page viewer of the advertisement is recognized.
    Type: Application
    Filed: October 24, 2012
    Publication date: February 20, 2014
    Applicants: HANWHA SOLUTION & CONSULTING CO., LTD, MINIGATE. CO. LTD.
    Inventors: Chang Hoon JUNG, Heung Soon Park
  • Patent number: 8369719
    Abstract: An image forming apparatus that is capable of preventing a damage to a fusing belt or hazardous conditions due to the overheating of the fusing belt and a fusing device thereof are disclosed. The image forming apparatus has a fusing device including a fusing belt, a heat source disposed in the fusing belt, a support member to support the fusing belt, the support member having an opening through which heat emitted from the heat source passes to at least a portion of the fusing belt, and a first temperature sensor positioned to measure temperature of the fusing belt at the portion directly heated by radiant heat transmitted through the opening. A control unit of the image forming apparatus controls the heat source based on the temperature measured by the first temperature sensor.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: February 5, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Jin Seol, Tae Gyu Kim, Chang Hoon Jung, Jae Hyeok Jang, Seung Jun Lee
  • Patent number: 8032069
    Abstract: A fusing device includes a rotatable pressing roller, a fusing belt to rotate by a rotational force transmitted from the rotatable pressing roller, a nip forming member to contact an inner surface of the fusing belt to form a nip on a contact area between the rotatable pressing roller and the fusing belt, a heating member formed in approximately an internal central portion of the fusing belt to heat the nip forming member and the fusing belt, an inner support member formed within the fusing belt to press a nip part of the nip forming member toward the rotatable pressing roller, and an outer support member formed outside the fusing belt, and both ends of the outer support member being engaged with the inner support member to thereby reinforce the strength of the inner support member and form a path for radiation heat to disperse.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: October 4, 2011
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Su-ho Shin, Dong-woo Lee, Tae-gyu Kim, Chang-hoon Jung, Tae-hoon Kim, Hwan-hee Kim
  • Patent number: 8010029
    Abstract: A fusing device and an image forming apparatus having the same. The fusing device can include a fusing belt, a heat source disposed in an interior of the fusing belt, a supporting member to support at least a portion of an inner peripheral surface of the fusing belt, a press member mounted while opposing the fusing belt to form a fusing nip, and a nip forming part formed with an opening portion to enable heat emitted from the heat source to be transferred to the fusing belt at a position corresponding to the fusing nip. The nip forming part can have at least one gap maintaining part to prevent change of a gap of the opening portion. The nip forming part is provided at the supporting member or a nip forming member mounted between the heat source and the supporting member. Accordingly, a temperature of the fusing belt can rise quickly by directly heating the fusing belt, and deterioration of fusing performance due to deformation of the nip forming member can be prevented.
    Type: Grant
    Filed: May 2, 2008
    Date of Patent: August 30, 2011
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hwan Hee Kim, Chang Hoon Jung, Tae Gyu Kim, Dong Jin Seol
  • Publication number: 20110091254
    Abstract: A fusing device includes a rotatable pressing roller, a fusing belt to rotate by a rotational force transmitted from the rotatable pressing roller, a nip forming member to contact an inner surface of the fusing belt to form a nip on a contact area between the rotatable pressing roller and the fusing belt, a heating member formed in approximately an internal central portion of the fusing belt to heat the nip forming member and the fusing belt, an inner support member formed within the fusing belt to press a nip part of the nip forming member toward the rotatable pressing roller, and an outer support member formed outside the fusing belt, and both ends of the outer support member being engaged with the inner support member to thereby reinforce the strength of the inner support member and form a path for radiation heat to disperse.
    Type: Application
    Filed: December 22, 2010
    Publication date: April 21, 2011
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Su-ho Shin, Dong-woo Lee, Tae-gyu Kim, Chang-hoon Jung, Tae-hoon Kim, Hwan-hee Kim
  • Patent number: 7881650
    Abstract: A fusing device includes a rotatable pressing roller, a fusing belt to rotate by a rotational force transmitted from the rotatable pressing roller, a nip forming member to contact an inner surface of the fusing belt to form a nip on a contact area between the rotatable pressing roller and the fusing belt, a heating member formed in approximately an internal central portion of the fusing belt to heat the nip forming member and the fusing belt, an inner support member formed within the fusing belt to press a nip part of the nip forming member toward the rotatable pressing roller, and an outer support member formed outside the fusing belt, and both ends of the outer support member being engaged with the inner support member to thereby reinforce the strength of the inner support member and form a path for radiation heat to disperse.
    Type: Grant
    Filed: February 25, 2008
    Date of Patent: February 1, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Su-ho Shin, Dong-woo Lee, Tae-gyu Kim, Chang-hoon Jung, Tae-hoon Kim, Hwan-hee Kim
  • Patent number: 7773930
    Abstract: A fixing device includes a fixing roller, a fixing belt which is made to rotate by a rotation force received from the fixing roller, a nip forming unit to form a nip zone at a contact area between the fixing roller and the fixing belt, and a first heating unit, which is separated from the nip zone, to apply heat to the fixing belt. The nip zone and the heating unit are separated, so that the heating unit can be prevented from being broken as a result of the pressurization and thermal deformation.
    Type: Grant
    Filed: August 15, 2007
    Date of Patent: August 10, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Su-ho Shin, Hwan-guem Kim, Dong-jin Seol, Dong-woo Lee, Tae-gyu Kim, Chang-hoon Jung
  • Patent number: 7773931
    Abstract: A fusing device includes a pressure unit, a belt unit to rotate in outer contact with the pressure unit, a nip forming unit to form a nip over a contact portion between the pressure unit and the belt unit, a heating unit to heat the nip forming unit and the belt unit, and a support unit to press and support the nip forming unit constantly and having a plurality of heat transmission portions defined in a parallelogrammic shape of an oblique direction with respect to a traveling direction of the belt unit.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: August 10, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-hoon Jung, Dong-woo Lee, Tae-gyu Kim, Su-ho Shin, Dong-jin Seol, Hwan-hee Kim
  • Patent number: 7623817
    Abstract: A fixing device includes a pressing roller, a fixing belt to receive a rotation force transferred from the pressing roller and to rotate thereby, a nip forming member which is mounted inside the fixing belt, the nip forming member including a heat transmission unit formed thereon, and a heat source, which is mounted inside the nip forming member, to simultaneously apply heat to the nip forming member and to the fixing belt through the heat transmission unit.
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: November 24, 2009
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Chang-hoon Jung, Hwan-guem Kim, Dong-jin Seol, Dong-woo Lee, Su-ho Shin, Tae-gyu Kim
  • Patent number: 7580190
    Abstract: A micro lens array and method of fabricating the micro lens array. The micro lens array includes: a substrate; a plurality of holes penetrating the substrate; and a plurality of lens units on a first surface of the substrate, each lens being at a respective one of the plurality of holes. When the micro lens array is applied to a display device, a high contrast ratio can be obtained, and the light can be transmitted in a single direction.
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: August 25, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwang-hee Kim, Chang-hoon Jung, Young-gu Jin, Byong-ho Cheong, Hyuk-soon Choi
  • Publication number: 20090175645
    Abstract: An image forming apparatus that is capable of preventing a damage to a fusing belt or hazardous conditions due to the overheating of the fusing belt and a fusing device thereof are disclosed. The image forming apparatus has a fusing device including a fusing belt, a heat source disposed in the fusing belt, a support member to support the fusing belt, the support member having an opening through which heat emitted from the heat source passes to at least a portion of the fusing belt, and a first temperature sensor positioned to measure temperature of the fusing belt at the portion directly heated by radiant heat transmitted through the opening. A control unit of the image forming apparatus controls the heat source based on the temperature measured by the first temperature sensor.
    Type: Application
    Filed: December 30, 2008
    Publication date: July 9, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong Jin SEOL, Tae Gyu Kim, Chang Hoon Jung, Jae Hyeok Jang, Seung Jun Lee
  • Patent number: 7537319
    Abstract: A piezoelectric inkjet printhead, and a method of manufacturing the same, includes an ink inlet for allowing inflow of ink, a plurality of pressure chambers to contain ink to be ejected, the plurality of pressure chambers being in communication with the ink inlet, a manifold formed in communication with the ink inlet, a plurality of restrictors connecting the manifold to respective first ends of the pressure chambers, a plurality of dampers at positions corresponding to respective second ends of the pressure chambers, the second ends being opposite the first ends, a plurality of nozzles in communication with the plurality of dampers for ejecting the ink, a plurality of actuators for applying a driving force to each of the pressure chambers for ejecting the ink, a damping membrane under the manifold for dampening a pressure change inside the manifold and a cavity under the damping membrane.
    Type: Grant
    Filed: February 17, 2006
    Date of Patent: May 26, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-hoon Jung, Seung-mo Lim, Su-ho Shin
  • Publication number: 20090110451
    Abstract: A fusing device includes a pressure unit, a belt unit to rotate in outer contact with the pressure unit, a nip forming unit to form a nip over a contact portion between the pressure unit and the belt unit, a heating unit to heat the nip forming unit and the belt unit, and a support unit to press and support the nip forming unit constantly and having a plurality of heat transmission portions defined in a parallelogrammic shape of an oblique direction with respect to a traveling direction of the belt unit.
    Type: Application
    Filed: April 17, 2008
    Publication date: April 30, 2009
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Chang-hoon Jung, Dong-woo Lee, Tae-gyu Kim, Su-ho Shin, Dong-jin Seol, Hwan-hee Kim
  • Publication number: 20090092423
    Abstract: A fusing device includes a rotatable pressing roller, a fusing belt to rotate by a rotational force transmitted from the rotatable pressing roller, a nip forming member to contact an inner surface of the fusing belt to form a nip on a contact area between the rotatable pressing roller and the fusing belt, a heating member formed in approximately an internal central portion of the fusing belt to heat the nip forming member and the fusing belt, an inner support member formed within the fusing belt to press a nip part of the nip forming member toward the rotatable pressing roller, and an outer support member formed outside the fusing belt, and both ends of the outer support member being engaged with the inner support member to thereby reinforce the strength of the inner support member and form a path for radiation heat to disperse.
    Type: Application
    Filed: February 25, 2008
    Publication date: April 9, 2009
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Su-ho SHIN, Dong-woo Lee, Tae-gyu Kim, Chang-hoon Jung, Tae-hoon Kim, Hwan-hee Kim
  • Patent number: 7497559
    Abstract: A piezoelectric inkjet printhead capable of reducing a crosstalk and a method of manufacturing the same are provided. The inkjet printhead includes an upper substrate, an intermediate substrate, and a lower substrate that are sequentially stacked, wherein the upper substrate includes piezoelectric actuators on an upper surface of the upper substrate and pressure chambers and first restrictors on a lower surface of the upper substrate, the first restrictors extending from the pressure chambers and having a width smaller than a width of the pressure chambers, the intermediate substrate includes dampers passing therethrough, the dampers corresponding to the pressure chambers and second restrictors extending between the first restrictors and a manifold formed from a lower surface of the intermediate substrate and the lower substrate includes nozzles passing therethrough, the nozzles corresponding to the dampers.
    Type: Grant
    Filed: October 7, 2005
    Date of Patent: March 3, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Su-ho Shin, Sung-gyu Kang, Jae-woo Chung, You-seop Lee, Chang-hoon Jung
  • Publication number: 20090016789
    Abstract: A fusing device and an image forming apparatus having the same. The fusing device can include a fusing belt, a heat source disposed in an interior of the fusing belt, a supporting member to support at least a portion of an inner peripheral surface of the fusing belt, a press member mounted while opposing the fusing belt to form a fusing nip, and a nip forming part formed with an opening portion to enable heat emitted from the heat source to be transferred to the fusing belt at a position corresponding to the fusing nip. The nip forming part can have at least one gap maintaining part to prevent change of a gap of the opening portion. The nip forming part is provided at the supporting member or a nip forming member mounted between the heat source and the supporting member. Accordingly, a temperature of the fusing belt can rise quickly by directly heating the fusing belt, and deterioration of fusing performance due to deformation of the nip forming member can be prevented.
    Type: Application
    Filed: May 2, 2008
    Publication date: January 15, 2009
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hwan Hee KIM, Chang Hoon Jung, Tae Gyu Kim, Dong Jim Seol