Patents by Inventor Jong-Su Choi

Jong-Su 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).

  • Patent number: 11396351
    Abstract: A platform for a semi-submersible floating type offshore structure according to an exemplary embodiment of the present invention includes a main body which is installed on the sea and has an arrangement structure in which a plurality of pontoons is combined to form a plurality of polygonal shapes; and a protrusion member connecting unit which extends from each corner of the main body and connects a protrusion member outwardly protruding from the main body to the main body.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: July 26, 2022
    Assignees: Korea Institute of Ocean Science & Technology, VL OFFSHORE, LLC
    Inventors: Key Yong Hong, Kang Su Lee, Kyong Hwan Kim, Jong Su Choi, Se Wan Park, Sung Youn Boo, Steffen A. Shelley, Dae Jun Kim
  • Publication number: 20220018330
    Abstract: An offshore wind power plant designed to reduce a fatigue load of a wind turbine according to an exemplary embodiment of the present invention includes an offshore structure, a plurality of wind turbines which is installed above the offshore structure to be spaced apart from each other with a predetermined distance and is supplied with a power through wind to produce electrical energy; and a turbine controller which controls at least one of a pitch movement and a yaw movement for the plurality of wind turbines.
    Type: Application
    Filed: June 19, 2019
    Publication date: January 20, 2022
    Inventors: Key Yong HONG, Kyong Hwan KIM, Se Wan PARK, Kang Su LEE, Jong Su CHOI, Sang LEE
  • Publication number: 20200317309
    Abstract: A platform for a semi-submersible floating type offshore structure according to an exemplary embodiment of the present invention includes a main body which is installed on the sea and has an arrangement structure in which a plurality of pontoons is combined to form a plurality of polygonal shapes; and a protrusion member connecting unit which extends from each corner of the main body and connects a protrusion member outwardly protruding from the main body to the main body.
    Type: Application
    Filed: August 12, 2016
    Publication date: October 8, 2020
    Inventors: Key Yong HONG, Kang Su LEE, Kyong Hwan KIM, Jong Su CHOI, Se Wan PARK, Sung Youn BOO, Steffen A. SHELLEY, Dae Jun KIM
  • Patent number: 10584682
    Abstract: A floating type offshore wind power generation facility includes: a wind power generation unit which is installed to be horizontally rotatable about a vertical rotation center while being placed in an inclined state on an offshore structure or installed to be rotatable in two directions about a horizontal rotation center of the offshore structure, and converts rotational kinetic energy of blades caused by sea wind into electrical energy; and a driving unit which is connected to a lower end of the wind power generation unit in a state in which the driving unit is installed on the offshore structure, and changes a pivoting angle or a rotating angle of the wind power generation unit by generating driving power.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: March 10, 2020
    Assignee: KOREA INSTITUTE OF OCEAN SCIENCE & TECHNOLOGY
    Inventors: Key Yong Hong, Kang Su Lee, Jong Su Choi, Kyong Hwan Kim, Se Wan Park
  • Publication number: 20190200772
    Abstract: Disclosed herein are a sway-yaw motion device and a chair assembly with the same, which can provide an audience with various motion effects by moving a motion chair by various degrees of freedom. The sway-yaw motion device and the chair assembly can additionally provide various motions on the plane by adding a swaying motion, which is a linear motion on the plane, and a yawing motion, which is a rotary motion on the plane, to a pitching motion, a rolling motion and a heaving motion, which are provided generally. Particularly, the present invention relates to a sway-yaw motion device and a chair assembly with the same, which can provide swaying and yawing effects at the same time according to actuation of a driving part, for instance, according to an angle control of a crank arm, as well as provide the swaying motion and the yawing motion individually.
    Type: Application
    Filed: March 11, 2019
    Publication date: July 4, 2019
    Inventors: Taeyoung KU, Jae Sung CHOI, Jong Su CHOI
  • Patent number: 10160516
    Abstract: The present invention provides a marine structure platform including: horizontal connecting parts which are disposed under the seawater and connected to one another in a lattice structure; vertical connecting parts which are installed uprightly at four corners of the horizontal connecting parts and protrude from the seawater; and movement damping parts which are extended at the four corners from the vertical connecting parts along the horizontal connecting parts adjacent to one another, the movement damping parts having a plate shape so as to define a vertical gap therebetween.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: December 25, 2018
    Assignee: Korea Institute of Ocean Science & Technology
    Inventors: Key Yong Hong, Kang Su Lee, Jong Su Choi, Kyong Hwan Kim, Se Wan Park
  • Patent number: 10066714
    Abstract: A drive apparatus of a chair assembly for a 4D theater according to the present disclosure includes: a lower plate which is in contact with the ground; an upper plate which is positioned above the lower plate so as to be spaced apart from the lower plate; a first actuator which is positioned at a left portion between the lower plate and the upper plate; a second actuator which is positioned at a right portion between the lower plate and the upper plate; and a spline device, in which the spline device is installed to be positioned on a vertical centerline of the lower plate, and the first actuator is installed to have a predetermined first angle with respect to a horizontal centerline of the lower plate.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: September 4, 2018
    Assignee: CJ 4DPLEX CO., LTD
    Inventors: Jong Su Choi, Tae Young Ku, Min Jong Kim
  • Patent number: 10022746
    Abstract: In apparatus and method according to example embodiments of the inventive concept, a substrate may be treated using two or more treatment solutions. The substrate treating apparatus may include a treatment vessel providing a treatment space, a substrate supporting unit provided in the treatment vessel to support a substrate, and a solution supplying unit supplying a treatment solution on the substrate supported by the substrate supporting unit. The solution supplying unit may include an etching solution supplying nozzle supplying an etching solution on an edge region of the substrate supported by the substrate supporting unit and an etch prevention solution (EPS) supplying nozzle supplying an etch prevention solution on a center region of the substrate supported by the substrate supporting unit. Accordingly, it is possible to prevent the center region of the substrate from being dried.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: July 17, 2018
    Assignee: Semes Co., Ltd.
    Inventors: Sul Lee, Young Hun Jung, Jong Su Choi
  • Publication number: 20180098635
    Abstract: The present invention relates to a special effect chair, and the special effect chair includes a chair; a heating element installed inside the chair; a wind blowing unit for circulating air heated by the heating element; and a discharge unit for discharging the air circulated by the wind blowing unit to the outside of the chair, and the discharge unit is positioned on the front side of the chair. Accordingly, according to the present invention, power consumption can be reduced as much as one twentieth compared with a conventional technique by reducing the distance of injecting hot air and adding a heat storage function.
    Type: Application
    Filed: April 15, 2016
    Publication date: April 12, 2018
    Inventors: Ho Young JEON, Jong Su CHOI, Jin Yong PARK
  • Publication number: 20180045179
    Abstract: A floating type offshore wind power generation facility includes: a wind power generation unit which is installed to be horizontally rotatable about a vertical rotation center while being placed in an inclined state on an offshore structure or installed to be rotatable in two directions about a horizontal rotation center of the offshore structure, and converts rotational kinetic energy of blades caused by sea wind into electrical energy; and a driving unit which is connected to a lower end of the wind power generation unit in a state in which the driving unit is installed on the offshore structure, and changes a pivoting angle or a rotating angle of the wind power generation unit by generating driving power.
    Type: Application
    Filed: April 30, 2015
    Publication date: February 15, 2018
    Inventors: Key Yong HONG, Kang Su LEE, Jong Su CHOI, Kyong Hwan KIM, Se Wan PARK
  • Publication number: 20170320543
    Abstract: The present invention provides a marine structure platform including: horizontal connecting parts which are disposed under the seawater and connected to one another in a lattice structure; vertical connecting parts which are installed uprightly at four corners of the horizontal connecting parts and protrude from the seawater; and movement damping parts which are extended at the four corners from the vertical connecting parts along the horizontal connecting parts adjacent to one another, the movement damping parts having a plate shape so as to define a vertical gap therebetween.
    Type: Application
    Filed: April 30, 2015
    Publication date: November 9, 2017
    Inventors: Key Yong HONG, Kang Su LEE, Jong Su CHOI, Kyong Hwan KIM, Se Wan PARK
  • Patent number: 9574445
    Abstract: An apparatus for bi-directionally mining a manganese nodule includes a traveling device to travel in a predetermined traveling direction, collecting devices installed at both ends of the traveling device, respectively, to collect the manganese nodule, and a control device to sense the traveling direction of the traveling device and to drive one of the collecting devices installed at both ends of the traveling device, which is placed in the sensed traveling direction.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: February 21, 2017
    Assignee: Korea Instutite of Ocean Science & Technology
    Inventors: Tae-Kyeong Yeu, Sup Hong, Hyung-Woo Kim, Jong-Su Choi
  • Publication number: 20170009856
    Abstract: A drive apparatus of a chair assembly for a 4D theater according to the present disclosure includes: a lower plate which is in contact with the ground; an upper plate which is positioned above the lower plate so as to be spaced apart from the lower plate; a first actuator which is positioned at a left portion between the lower plate and the upper plate; a second actuator which is positioned at a right portion between the lower plate and the upper plate; and a spline device, in which the spline device is installed to be positioned on a vertical centerline of the lower plate, and the first actuator is installed to have a predetermined first angle with respect to a horizontal centerline of the lower plate.
    Type: Application
    Filed: December 23, 2014
    Publication date: January 12, 2017
    Applicant: CJ 4DPLEX CO., LTD
    Inventors: Jong Su CHOI, Tae Young KU, Min Jong KIM
  • Patent number: 9334625
    Abstract: Disclosed is a buffer system for mining a deep seafloor mineral resource. The buffer system includes a hopper part that introduces and stores a crushed mineral resource to discharge the crushed mineral resource upward, a first pipe that communicates with an upper portion of the hopper part to introduce the mineral resource, a feeder part provided under the hopper part to discharge the mineral resources upward, a second pipe that communicates with the feeder part and lifts the mineral resource, a hydraulic part provided under the hopper part to convert power received from a surface boat into hydraulic power to operate at least one actuator and a driving motor to introduce the mineral resource into the first pipe, and a structure frame coupled to a lifting pipe to transmit an external load applied to the buffer system, and constituting an external frame of the buffer system to protect internal units.
    Type: Grant
    Filed: October 13, 2014
    Date of Patent: May 10, 2016
    Assignee: Korea Institute of Ocean Science & Technology
    Inventors: Sup Hong, Jong-Su Choi, Hyung-Woo Kim, Tae-Kyeong Yeu, Cheon-Hong Min
  • Patent number: 9334734
    Abstract: A robot for mining a manganese nodule on a deep sea floor. The apparatus includes a plurality of moving apparatuses detachably disposed in parallel with each other; a mining apparatus installed to a front end of the moving apparatuses to mine a manganese nodule; a transferring apparatus installed to an upper portion of the moving apparatuses to crush the manganese nodule in a constant size or less such that the manganese nodule is transferred to an external; a power control measuring unit installed to an upper portion of the moving apparatuses for providing power to the moving apparatuses and controlling operations of the mining apparatus and the transferring apparatus; a structure frame for connecting the moving apparatuses to each other and for supporting the mining apparatus, the transferring apparatus and the power control measuring unit; and a buoyancy unit installed to a top end of the structure frame.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: May 10, 2016
    Assignee: Korea Institute of Ocean Science & Technology
    Inventors: Sup Hong, Hyung-Woo Kim, Jong-Su Choi, Tae-Kyeong Yeu
  • Publication number: 20160089686
    Abstract: In apparatus and method according to example embodiments of the inventive concept, a substrate may be treated using two or more treatment solutions. The substrate treating apparatus may include a treatment vessel providing a treatment space, a substrate supporting unit provided in the treatment vessel to support a substrate, and a solution supplying unit supplying a treatment solution on the substrate supported by the substrate supporting unit. The solution supplying unit may include an etching solution supplying nozzle supplying an etching solution on an edge region of the substrate supported by the substrate supporting unit and an etch prevention solution (EPS) supplying nozzle supplying an etch prevention solution on a center region of the substrate supported by the substrate supporting unit. Accordingly, it is possible to prevent the center region of the substrate from being dried.
    Type: Application
    Filed: September 23, 2015
    Publication date: March 31, 2016
    Inventors: Sul LEE, Young Hun JUNG, Jong Su CHOI
  • Publication number: 20150300167
    Abstract: Disclosed is an apparatus for bi-directionally mining a manganese nodule. The apparatus includes a traveling device to travel in a predetermined traveling direction, collecting devices installed at both ends of the traveling device, respectively, to collect the manganese nodule, and a control device to sense the traveling direction of the traveling device and to drive one of the collecting devices installed at both ends of the traveling device, which is placed in the sensed traveling direction.
    Type: Application
    Filed: October 4, 2013
    Publication date: October 22, 2015
    Applicant: KOREA INSTITUTE OF OCEAN SCIENCE & TECHNOLOGY
    Inventors: Tae-Kyeong YEU, Sup HONG, Hyung-Woo KIM, Jong-Su CHOI
  • Publication number: 20150101963
    Abstract: Disclosed is a buffer system for mining a deep seafloor mineral resource. The buffer system includes a hopper part that introduces and stores a crushed mineral resource to discharge the crushed mineral resource upward, a first pipe that communicates with an upper portion of the hopper part to introduce the mineral resource, a feeder part provided under the hopper part to discharge the mineral resources upward, a second pipe that communicates with the feeder part and lifts the mineral resource, a hydraulic part provided under the hopper part to convert power received from a surface boat into hydraulic power to operate at least one actuator and a driving motor to introduce the mineral resource into the first pipe, and a structure frame coupled to a lifting pipe to transmit an external load applied to the buffer system, and constituting an external frame of the buffer system to protect internal units.
    Type: Application
    Filed: October 13, 2014
    Publication date: April 16, 2015
    Inventors: Sup HONG, Jong-Su CHOI, Hyung-Woo KIM, Tae-Kyeong YEU, Cheon-Hong MIN
  • Publication number: 20150047233
    Abstract: Disclosed is a robot for mining a manganese nodule on a deep sea floor. The apparatus includes a plurality of moving apparatuses detachably disposed in parallel with each other; a mining apparatus installed to a front end of the moving apparatuses to mine a manganese nodule; a transferring apparatus installed to an upper portion of the moving apparatuses to crush the manganese nodule in a constant size or less such that the manganese nodule is transferred to an external; a power control measuring unit installed to an upper portion of the moving apparatuses for providing power to the moving apparatuses and controlling operations of the mining apparatus and the transferring apparatus; a structure frame for connecting the moving apparatuses to each other and for supporting the mining apparatus, the transferring apparatus and the power control measuring unit; and a buoyancy unit installed to a top end of the structure frame.
    Type: Application
    Filed: October 12, 2012
    Publication date: February 19, 2015
    Applicant: KOREA INSTITUTE OF OCEAN SCIENCE & TECHNOLOGY
    Inventors: Sup Hong, Hyung-Woo Kim, Jong-Su Choi, Tae-Kyeong Yeu
  • Publication number: 20140290400
    Abstract: The present invention relates to a four degrees of freedom motion apparatus, and more particularly, to a four degrees of freedom motion apparatus capable of implementing three degrees of freedom (pitch, roll, heave) motions by three actuators positioned at a lower plate and a center plate, and between the lower plate and the center plate, and a spline, and additionally implementing an one degree of freedom (sway) motion by a connecting means provided between the center plate and an upper plate.
    Type: Application
    Filed: January 29, 2013
    Publication date: October 2, 2014
    Applicant: CJ 4D PLEX CO., LTD.
    Inventor: Jong Su Choi