Patents by Inventor Hokyung Lee
Hokyung Lee 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).
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Patent number: 9796528Abstract: The present invention relates to a method of optimizing delivery of trays and a system using the method. The method includes: (a) determining a list of delivery of trays; (b) loading a delivery-required tray in the delivery list on the crane in accordance with a loading priority order; (c) loading, on the crane, another tray that can be simultaneously delivered along with the tray that has been loaded on the crane at (b), if requirement for delivery of the tray that can be simultaneously delivered is within a delivery stand-by limit time; and (d) transferring the trays loaded on the crane at (b) or (c).Type: GrantFiled: September 2, 2014Date of Patent: October 24, 2017Assignee: LG CHEM, LTD.Inventors: Kyuhwang Lee, Hokyung Lee, Juseok Lee, Jayoung Hur
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Patent number: 9417618Abstract: A method of cutting one or more kinds of quadrangular unit pieces having a relatively small size from a quadrangular base material having a relatively large size uses a cutter frame including a plurality of cutters to manufacture the quadrangular unit pieces. The method includes (a) scanning a quadrangular base material in a longitudinal direction and in a lateral direction to check positions of defects on the quadrangular base material, (b) calculating a yield when cutting the quadrangular base material using two or more kinds of cutting frames, (c) selecting one of the cutting frames in which the yield calculated at the calculation step (b) is within a range of upper 30%, and (d) cutting the quadrangular base material using the cutting frame selected at the selection step (c) to manufacture quadrangular unit pieces.Type: GrantFiled: July 31, 2013Date of Patent: August 16, 2016Assignee: LG CHEM, LTD.Inventors: Hokyung Lee, Eungjin Jang, Kyu Hwang Lee, Yoomin Lee, Hoonyeol Kim
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Publication number: 20160167881Abstract: The present invention relates to a method of optimizing delivery of trays and a system using the method. The method includes: (a) determining a list of delivery of trays; (b) loading a delivery-required tray in the delivery list on the crane in accordance with a loading priority order; (c) loading, on the crane, another tray that can be simultaneously delivered along with the tray that has been loaded on the crane at (b), if requirement for delivery of the tray that can be simultaneously delivered is within a delivery stand-by limit time; and (d) transferring the trays loaded on the crane at (b) or (c).Type: ApplicationFiled: September 2, 2014Publication date: June 16, 2016Inventors: Kyuhwang LEE, Hokyung LEE, Juseok LEE, Jayoung HUR
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Patent number: 9104191Abstract: Disclosed herein is a method of cutting one or more kinds of quadrangular unit pieces having a relatively small size from a quadrangular base material having a relatively large size using a cutter frame including a plurality of cutters to manufacture the quadrangular unit pieces, the method including (a) an inspection step of scanning a quadrangular base material in a longitudinal direction and in a lateral direction of the quadrangular base material to check positions of defects on the quadrangular base material, (b) a calculation step of calculating a yield when imaginarily cutting the quadrangular base material using two or more kinds of cutting frames, (c) a selection step of selecting one of the cutting frames in which the yield calculated at the calculation step (b) is within a range of upper 30%, and (d) a manufacturing step of cutting the quadrangular base material using the cutting frame selected at the selection step (c) to manufacture quadrangular unit pieces.Type: GrantFiled: March 10, 2010Date of Patent: August 11, 2015Assignee: LG CHEM, LTD.Inventors: Hokyung Lee, Eungjin Jang, Kyu Hwang Lee, Yoomin Lee, Hoonyeol Kim
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Publication number: 20150024162Abstract: Disclosed herein is a cutting frame including a plurality of cutters for cutting one or more kinds of rectangular unit pieces having a relatively small size from a rectangular base material at a predetermined inclination, the cutters being mounted or formed in the cutting frame such that the cutters correspond to the rectangular unit pieces, wherein the cutters are mounted or formed in the cutting frame based on the array structure of the rectangular unit pieces such that a large majority of the remaining rectangular unit pieces, excluding the uppermost row rectangular unit pieces and the lowermost row rectangular unit pieces, are arranged while being adjacent to different rectangular unit pieces at four sides of each rectangular unit piece, and at least some combinations of adjacent four rectangular unit pieces form an island-type residue in the center thereof.Type: ApplicationFiled: September 18, 2014Publication date: January 22, 2015Applicant: LG CHEM, LTD.Inventors: Hokyung LEE, Soonki HEO, Jongku LEE
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Publication number: 20150000484Abstract: Disclosed herein is a method of manufacturing one or more kinds of rectangular unit pieces from a long base material sheet at a predetermined angle through a continuous cutting process using a cutting frame, the method including (a) manufacturing a base material sheet of a laminate structure having two or more stacked sheets and winding the base material sheet on a roll, (b) continuously feeding the base material sheet, wound on the roll, (c) cutting the fed base material sheet using a cutting frame having cutters mounted or formed therein in a structure in which the cutters correspond to rectangular unit pieces to be manufactured, the cutters being arranged such that the shapes of opposite side ends of the cutters coincide with each other when the cutters are successively arranged, the cutting being carried out while the base material sheet is partially overlapped such that a length (‘pitch’) for a one-time cutting process is equal to a spacing distance between the opposite side ends of the cutters in the loType: ApplicationFiled: September 16, 2014Publication date: January 1, 2015Applicant: LG CHEM, LTD.Inventors: Hokyung LEE, Jaein CHOI, Soonki HEO, Jongku LEE
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Publication number: 20140106118Abstract: Disclosed herein is a cutter frame including a plurality of cutters for cutting one or more kinds of rectangular unit pieces having a relatively small size from a rectangular base material at a predetermined inclination, the cutters being mounted or formed in the cutter frame such that the cutters correspond to the rectangular unit pieces, two of the rectangular unit pieces being arranged mainly in the inclination direction such that the rectangular unit pieces are in contact with each other at one side of each rectangular unit piece, wherein, on the assumption that imaginary vertex coordinates of a leftmost end are (Ax, Ay), and imaginary vertex coordinates of a rightmost end are (Bx, By), when the rectangular unit pieces coincide with each other at a left or right side of each rectangular unit piece, vertex coordinates (B?x, B?y) of the rightmost end are greater than the imaginary vertex coordinates (Bx, By) of the rightmost end based on the imaginary vertex coordinates (Ax, Ay) of the leftmost end in an arType: ApplicationFiled: September 3, 2013Publication date: April 17, 2014Applicant: LG CHEM, LTD.Inventors: Hokyung Lee, SoonKi Heo, Jaein Choi
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Publication number: 20130317638Abstract: Disclosed is a method of cutting one or more kinds of quadrangular unit pieces having a relatively small size from a quadrangular base material having a relatively large size using a cutter frame including a plurality of cutters to manufacture the quadrangular unit pieces, the method including (a) scanning a quadrangular base material in a longitudinal direction and in a lateral direction of the quadrangular base material to check positions of defects on the quadrangular base material, (b) calculating a yield when imaginarily cutting the quadrangular base material using two or more kinds of cutting frames, (c) selecting one of the cutting frames in which the yield calculated at the calculation step (b) is within a range of upper 30%, and (d) cutting the quadrangular base material using the cutting frame selected at the selection step (c) to manufacture quadrangular unit pieces.Type: ApplicationFiled: July 31, 2013Publication date: November 28, 2013Applicant: LG CHEM, LTD.Inventors: Hokyung LEE, Eungjin JANG, Kyu Hwang LEE, Yoomin LEE, Hoonyeol KIM
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Publication number: 20120078406Abstract: Disclosed herein is a method of cutting one or more kinds of quadrangular unit pieces having a relatively small size from a quadrangular base material having a relatively large size using a cutter frame including a plurality of cutters to manufacture the quadrangular unit pieces, the method including (a) an inspection step of scanning a quadrangular base material in a longitudinal direction and in a lateral direction of the quadrangular base material to check positions of defects on the quadrangular base material, (b) a calculation step of calculating a yield when imaginarily cutting the quadrangular base material using two or more kinds of cutting frames, (c) a selection step of selecting one of the cutting frames in which the yield calculated at the calculation step (b) is within a range of upper 30%, and (d) a manufacturing step of cutting the quadrangular base material using the cutting frame selected at the selection step (c) to manufacture quadrangular unit pieces.Type: ApplicationFiled: March 10, 2010Publication date: March 29, 2012Applicant: LG CHEM, LTD.Inventors: Hokyung Lee, Eungjin Jang, Kyu Hwang Lee, Yoomin Lee, Hoonyeol Kim
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Publication number: 20110056354Abstract: Disclosed herein is a cutter frame including a plurality of cutters for cutting one or more kinds of rectangular unit pieces having a relatively small size from a rectangular base material at a predetermined inclination, the cutters being mounted or formed in the cutter frame such that the cutters correspond to the rectangular unit pieces, two of the rectangular unit pieces being arranged mainly in the inclination direction such that the rectangular unit pieces are in contact with each other at one side of each rectangular unit piece, wherein, on the assumption that imaginary vertex coordinates of a leftmost end are (Ax, Ay), and imaginary vertex coordinates of a rightmost end are (Bx, By), when the rectangular unit pieces coincide with each other at a left or right side of each rectangular unit piece, vertex coordinates (B?x, B?y) of the rightmost end are greater than the imaginary vertex coordinates (Bx, By) of the rightmost end based on the imaginary vertex coordinates (Ax, Ay) of the leftmost end in an arType: ApplicationFiled: August 27, 2008Publication date: March 10, 2011Applicant: LG Chem, Ltd.Inventors: Hokyung Lee, Soonki Heo, Jaein Choi
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Publication number: 20110048209Abstract: Disclosed herein is a cutting frame including a plurality of cutters for cutting two or more kinds of rectangular unit pieces having relatively small sizes from a rectangular base material at a predetermined inclination, the cutters being mounted or formed in the cutting frame such that the cutters correspond to the rectangular unit pieces, wherein the cutters are formed in the cutting frame in an array structure of the rectangular unit pieces in which largest-sized rectangular unit pieces are arranged at a central part of a base material based on the height of the base material in the longitudinal direction of the base material, and small-sized rectangular unit pieces are arranged above and below the largest-sized rectangular unit pieces.Type: ApplicationFiled: August 27, 2008Publication date: March 3, 2011Applicant: LG Chem, Ltd.Inventors: Hokyung Lee, Soonki Heo, Jaein Choi
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Publication number: 20100288100Abstract: Disclosed herein is a cutting frame including a plurality of cutters for cutting one or more kinds of rectangular unit pieces having a relatively small size from a rectangular base material at a predetermined inclination, the cutters being mounted or formed in the cutting frame such that the cutters correspond to the rectangular unit pieces, wherein the cutters are mounted or formed in the cutting frame in an array structure of the rectangular unit pieces in which the rectangular unit pieces adjacent to one another at each side thereof have a vertex coincidence ratio equivalent to less than 50%.Type: ApplicationFiled: August 27, 2008Publication date: November 18, 2010Applicant: LG CHEM, LTD.Inventors: Hokyung Lee, Jaein Choi, Soonki Heo
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Publication number: 20100236371Abstract: Disclosed herein is a cutting frame including a plurality of cutters for cutting one or more kinds of rectangular unit pieces having a relatively small size from a rectangular base material at a predetermined inclination, the cutters being mounted or formed in the cutting frame such that the cutters correspond to the rectangular unit pieces, wherein the cutters are mounted or formed in the cutting frame based on the array structure of the rectangular unit pieces such that a large majority of the remaining rectangular unit pieces, excluding the uppermost row rectangular unit pieces and the lowermost row rectangular unit pieces, are arranged while being adjacent to different rectangular unit pieces at four sides of each rectangular unit piece, and at least some combinations of adjacent four rectangular unit pieces form an island-type residue in the center thereof.Type: ApplicationFiled: July 2, 2008Publication date: September 23, 2010Applicant: LG CHEM ,LTD.Inventors: Hokyung Lee, Soonki Heo, Jongku Lee
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Patent number: 7786228Abstract: Disclosed herein is an optimization method in a polymerization system in which heat is generated during the polymerization with an initiator.Type: GrantFiled: January 19, 2007Date of Patent: August 31, 2010Assignee: LG Chem, Ltd.Inventors: Hokyung Lee, Sujin Lee, Seungyoung Park, Jongku Lee
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Publication number: 20100206146Abstract: Disclosed herein is a method of manufacturing one or more kinds of rectangular unit pieces from a long base material sheet at a predetermined angle through a continuous cutting process using a cutting frame, the method including (a) manufacturing a base material sheet of a laminate structure having two or more stacked sheets and winding the base material sheet on a roll, (b) continuously feeding the base material sheet, wound on the roll, (c) cutting the fed base material sheet using a cutting frame having cutters mounted or formed therein in a structure in which the cutters correspond to rectangular unit pieces to be manufactured, the cutters being arranged such that the shapes of opposite side ends of the cutters coincide with each other when the cutters are successively arranged, the cutting being carried out while the base material sheet is partially overlapped such that a length (‘pitch’) for a one-time cutting process is equal to a spacing distance between the opposite side ends of the cutters in the loType: ApplicationFiled: July 11, 2008Publication date: August 19, 2010Applicant: LG CHEM, LTDInventors: Hokyung Lee, Jaelin Choi, Soonki Heo, Jongku Lee
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Patent number: 7528715Abstract: A vehicle dispatch system enables optimal dispatch of a plurality of vehicles with information of available vehicles from transportation company terminals and information of orders from client terminals under restrictive conditions such as vehicle sizes, minimum loading rates, and a maximum number of assignment locations, based on transportation regions preset in consideration of transportation times, past order quantities, and order congestion degrees, such that a relevant vehicle can perform delivery of freight within a predetermined transportation region to minimize a total transportation cost for each transportation region. The system minimizes a delivery distance of each vehicle, increases a loading volume of the vehicle to reduce an empty rate of vehicles, and minimizes the number of dispatched vehicles, thereby reducing the total transportation cost.Type: GrantFiled: January 10, 2007Date of Patent: May 5, 2009Assignee: LG Chem, Ltd.Inventors: Hokyung Lee, Jongku Lee, Jaein Choi
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Publication number: 20070238844Abstract: Disclosed herein is an optimization method in a polymerization system in which heat is generated during the polymerization with an initiator.Type: ApplicationFiled: January 19, 2007Publication date: October 11, 2007Inventors: Hokyung Lee, Sujin Lee, Seungyoung Park, Jongku Lee
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Publication number: 20070194912Abstract: A vehicle dispatch system enables optimal dispatch of a plurality of vehicles with information of available vehicles from transportation company terminals and information of orders from client terminals under restrictive conditions such as vehicle sizes, minimum loading rates, and a maximum number of assignment locations, based on transportation regions preset in consideration of transportation times, past order quantities, and order congestion degrees, such that a relevant vehicle can perform delivery of freight within a predetermined transportation region to minimize a total transportation cost for each transportation region. The system minimizes a delivery distance of each vehicle, increases a loading volume of the vehicle to reduce an empty rate of vehicles, and minimizes the number of dispatched vehicles, thereby reducing the total transportation cost.Type: ApplicationFiled: January 10, 2007Publication date: August 23, 2007Applicant: LG CHEM, LTD.Inventors: Hokyung Lee, Jongku Lee, Jaein Choi