Patents by Inventor Choon-Hwa Lee
Choon-Hwa 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: 10994206Abstract: An apparatus for controlling an object may include a communicator configured to communicate with a first user terminal and a second user terminal, and a processor configured to control a first object corresponding to a first user in a virtual world to be displayed, configured to control the first object to move in the virtual world in response to a movement control of the first user, configured to randomly select at least one candidate object in response to a morphing control of the first user, and configured to change the first object to a second object when the first user selects the second object from the at least one candidate object. Methods for controlling an object are also provided.Type: GrantFiled: April 19, 2019Date of Patent: May 4, 2021Assignee: NEXON KOREA CORPORATIONInventors: Jung Kyu Ye, Geon Yeong Kim, Chang Hoon Yi, Joo Seok Lee, Guhyun Park, Young Suk Kim, Jae Hyun Park, June Sik Yi, Hun Joon Ha, Nak Hyun Kim, Ho Sik Kim, Jeong Min Seo, Tae Hoon Koo, Duc Chun Kim, Seoung Hwi Jung, Byung Eun Jin, Jin Woo Lee, Seok Hyun Kim, Ju Yong Lim, Hyun Ju Cho, Sang Yeop Lee, Min Kwan Chae, Sang Ho Kim, Hee Seok Kang, Seongkwan Lee, Jeong Pyo Hong, Choong Yeol Lee, Yong Woo Park, Kyoung Su Lee, Yu Ju Kim, Dong Gook Lee, Hyun Jin Kim, Hyun Jeong Lee, Dong Young Chang, Jong Min Lee, Jin Woo Lee, Song I Han, Taek Ki Lee, Eun Ji Nam, Choon Hwa Lee, Young Min Kang, Jung Soo Lee
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Publication number: 20190240578Abstract: An apparatus for controlling an object may include a communicator configured to communicate with a first user terminal and a second user terminal, and a processor configured to control a first object corresponding to a first user in a virtual world to be displayed, configured to control the first object to move in the virtual world in response to a movement control of the first user, configured to randomly select at least one candidate object in response to a morphing control of the first user, and configured to change the first object to a second object when the first user selects the second object from the at least one candidate object. Methods for controlling an object are also provided.Type: ApplicationFiled: April 19, 2019Publication date: August 8, 2019Inventors: Jung Kyu YE, Geon Yeong KIM, Chang Hoon YI, Joo Seok LEE, Guhyun PARK, Young Suk KIM, Jae Hyun PARK, June Sik YI, Hun Joon HA, Nak Hyun KIM, Ho Sik KIM, Jeong Min SEO, Tae Hoon KOO, Duc Chun KIM, Seoung Hwi JUNG, Byung Eun JIN, Jin Woo LEE, Seok Hyun KIM, Ju Yong LIM, Hyun Ju CHO, Sang Yeop LEE, Min Kwan CHAE, Sang Ho KIM, Hee Seok KANG, Seongkwan LEE, Jeong Pyo HONG, Choong Yeol LEE, Yong Woo PARK, Kyoung Su LEE, Yu Ju KIM, Dong Gook LEE, Hyun Jin KIM, Hyun Jeong LEE, Dong Young CHANG, Jong Min LEE, Jin Woo LEE, Song I HAN, Taek Ki LEE, Eun Ji NAM, Choon Hwa LEE, Young Min KANG, Jung Soo LEE
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Patent number: 10315112Abstract: An apparatus for controlling an object may include a communicator configured to communicate with a first user terminal and a second user terminal, and a processor configured to control a first object corresponding to a first user in a virtual world to be displayed, configured to control the first object to move in the virtual world in response to a movement control of the first user, configured to randomly select at least one candidate object in response to a morphing control of the first user, and configured to change the first object to a second object when the first user selects the second object from the at least one candidate object. Methods for controlling an object are also provided.Type: GrantFiled: July 2, 2015Date of Patent: June 11, 2019Assignee: Nexon Korea CorporationInventors: Jung Kyu Ye, Geon Yeong Kim, Chang Hoon Yi, Joo Seok Lee, Guhyun Park, Young Suk Kim, Jae Hyun Park, June Sik Yi, Hun Joon Ha, Nak Hyun Kim, Ho Sik Kim, Jeong Min Seo, Tae Hoon Koo, Duc Chun Kim, Seoung Hwi Jung, Byung Eun Jin, Jin Woo Lee, Seok Hyun Kim, Ju Yong Lim, Hyun Ju Cho, Sang Yeop Lee, Min Kwan Chae, Sang Ho Kim, Hee Seok Kang, Seongkwan Lee, Jeong Pyo Hong, Choong Yeol Lee, Yong Woo Park, Kyoung Su Lee, Yu Ju Kim, Dong Gook Lee, Hyun Jin Kim, Hyun Jeong Lee, Dong Young Chang, Jong Min Lee, Jin Woo Lee, Song I Han, Taek Ki Lee, Eun Ji Nam, Choon Hwa Lee, Young Min Kang, Jung Soo Lee
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Patent number: 10233265Abstract: Disclosed are a modified conjugated diene polymer and a method for preparing the same. The modified conjugated diene polymer and the method for preparing the same advantageously provide superior compatibility with an inorganic filler, heat generation, tensile strength and abrasion resistance, low fuel consumption and excellent resistance on wet roads.Type: GrantFiled: November 21, 2016Date of Patent: March 19, 2019Assignee: LG CHEM, LTD.Inventors: Ro Mi Lee, Sang Mi Lee, Choon Hwa Lee, Byung Hoon Yoon, Jin Young Kim, Moon Seok Chun
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Publication number: 20170066850Abstract: Disclosed are a modified conjugated diene polymer and a method for preparing the same. The modified conjugated diene polymer and the method for preparing the same advantageously provide superior compatibility with an inorganic filler, heat generation, tensile strength and abrasion resistance, low fuel consumption and excellent resistance on wet roads.Type: ApplicationFiled: November 21, 2016Publication date: March 9, 2017Inventors: Ro Mi LEE, Sang Mi LEE, Choon Hwa LEE, Byung Hoon YOON, Jin Young KIM, Moon Seok CHUN
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Patent number: 9567409Abstract: Disclosed is a method for preparing a vinyl aromatic hydrocarbon-conjugated diene block copolymer using a coupling reaction with improved ion stability. The method comprises (a) polymerizing a vinyl aromatic hydrocarbon monomer in a hydrocarbon solvent with an organic lithium compound as a polymerization initiator to prepare a first mix solution comprising a vinyl aromatic hydrocarbon block; and (b) adding a conjugated diene monomer to the first mix solution of step (a) to form a conjugated diene block on an end of the vinyl aromatic hydrocarbon block and to thereby prepare a second mix solution comprising a vinyl aromatic hydrocarbon block-conjugated diene block, wherein the method further comprises (c) adding a Lewis acid to the first mix solution before, during or after polymerization of the vinyl aromatic hydrocarbon monomer of step (a).Type: GrantFiled: November 10, 2010Date of Patent: February 14, 2017Assignee: LG CHEM, LTD.Inventors: Choon-Hwa Lee, Moon-Seok Chun
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Patent number: 9540472Abstract: Disclosed are a modified conjugated diene polymer and a method for preparing the same. The modified conjugated diene polymer and the method for preparing the same advantageously provide superior compatibility with an inorganic filler, heat generation, tensile strength and abrasion resistance, low fuel consumption and excellent resistance on wet roads.Type: GrantFiled: February 4, 2013Date of Patent: January 10, 2017Assignee: LG Chem, Ltd.Inventors: Ro Mi Lee, Sang Mi Lee, Choon Hwa Lee, Byung Hoon Yoon, Jin Young Kim, Moon Seok Chun
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Publication number: 20160175715Abstract: An apparatus for controlling an object may include a communicator configured to communicate with a first user terminal and a second user terminal, and a processor configured to control a first object corresponding to a first user in a virtual world to be displayed, configured to control the first object to move in the virtual world in response to a movement control of the first user, configured to randomly select at least one candidate object in response to a morphing control of the first user, and configured to change the first object to a second object when the first user selects the second object from the at least one candidate object. Methods for controlling an object are also provided.Type: ApplicationFiled: July 2, 2015Publication date: June 23, 2016Inventors: Jung Kyu YE, Geon Yeong KIM, Chang Hoon YI, Joo Seok LEE, Guhyun PARK, Young Suk KIM, Jae Hyun PARK, June Sik YI, Hun Joon HA, Nak Hyun KIM, Ho Sik KIM, Jeong Min SEO, Tae Hoon KOO, Duc Chun KIM, Seoung Hwi JUNG, Byung Eun JIN, Jin Woo LEE, Seok Hyun KIM, Ju Yong LIM, Hyun Ju CHO, Sang Yeop LEE, Min Kwan CHAE, Sang Ho KIM, Hee Seok KANG, Seongkwan LEE, Jeong Pyo HONG, Choong Yeol LEE, Yong Woo PARK, Kyoung Su LEE, Yu Ju KIM, Dong Gook LEE, Hyun Jin KIM, Hyun Jeong LEE, Dong Young CHANG, Jong Min LEE, Jin Woo LEE, Song I HAN, Taek Ki LEE, Eun Ji NAM, Choon Hwa LEE, Young Min KANG, Jung Soo LEE
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Patent number: 9328185Abstract: Disclosed are a modified conjugated diene polymer and a method for preparing the same. Provided are advantageously a modified conjugated diene polymer and a method for preparing the same which provide superior compatibility with an inorganic filler, heat generation, tensile strength and abrasion resistance, low fuel consumption and excellent resistance on wet roads.Type: GrantFiled: October 21, 2015Date of Patent: May 3, 2016Assignee: LG CHEM, LTD.Inventors: Ro Mi Lee, Sang Mi Lee, Choon Hwa Lee, Byung Hoon Yoon, Jin Young Kim, Moon Seok Chun
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Patent number: 9290585Abstract: Disclosed are a modified conjugated diene polymer and a method for preparing the same. Provided are advantageously a modified conjugated diene polymer and a method for preparing the same which provide superior compatibility with an inorganic filler, heat generation, tensile strength and abrasion resistance, low fuel consumption and excellent resistance on wet roads.Type: GrantFiled: August 1, 2013Date of Patent: March 22, 2016Assignee: LG Chem, Ltd.Inventors: Ro Mi Lee, Sang Mi Lee, Choon Hwa Lee, Byung Hoon Yoon, Jin Young Kim, Moon Seok Chun
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Publication number: 20160046750Abstract: Disclosed are a modified conjugated diene polymer and a method for preparing the same. Provided are advantageously a modified conjugated diene polymer and a method for preparing the same which provide superior compatibility with an inorganic filler, heat generation, tensile strength and abrasion resistance, low fuel consumption and excellent resistance on wet roads.Type: ApplicationFiled: October 21, 2015Publication date: February 18, 2016Inventors: Ro Mi LEE, Sang Mi LEE, Choon Hwa LEE, Byung Hoon YOON, Jin Young KIM, Moon Seok CHUN
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Publication number: 20150045474Abstract: Disclosed are a modified conjugated diene polymer and a method for preparing the same. Provided are advantageously a modified conjugated diene polymer and a method for preparing the same which provide superior compatibility with an inorganic filler, heat generation, tensile strength and abrasion resistance, low fuel consumption and excellent resistance on wet roads.Type: ApplicationFiled: August 1, 2013Publication date: February 12, 2015Inventors: Ro Mi Lee, Sang Mi Lee, Choon Hwa Lee, Byung Hoon Yoon, Jin Young Kim, Moon Seok Chun
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Publication number: 20140243476Abstract: Disclosed are a modified conjugated diene polymer and a method for preparing the same. The modified conjugated diene polymer and the method for preparing the same advantageously provide superior compatibility with an inorganic filler, heat generation, tensile strength and abrasion resistance, low fuel consumption and excellent resistance on wet roads.Type: ApplicationFiled: February 4, 2013Publication date: August 28, 2014Inventors: Ro Mi Lee, Sang Mi Lee, Choon Hwa Lee, Byung Hoon Yoon, Jin Young Kim, Moon Seok Chun
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Publication number: 20120245295Abstract: Disclosed is a method for preparing a vinyl aromatic hydrocarbon-conjugated diene block copolymer using a coupling reaction with improved ion stability. The method comprises (a) polymerizing a vinyl aromatic hydrocarbon monomer in a hydrocarbon solvent with an organic lithium compound as a polymerization initiator to prepare a first mix solution comprising a vinyl aromatic hydrocarbon block; and (b) adding a conjugated diene monomer to the first mix solution of step (a) to form a conjugated diene block on an end of the vinyl aromatic hydrocarbon block and to thereby prepare a second mix solution comprising a vinyl aromatic hydrocarbon block-conjugated diene block, wherein the method further comprises (c) adding a Lewis acid to the first mix solution before, during or after polymerization of the vinyl aromatic hydrocarbon monomer of step (a).Type: ApplicationFiled: November 10, 2010Publication date: September 27, 2012Applicant: LG CHEM, LTD.Inventors: Choon-Hwa Lee, Moon-Seok Chun
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Publication number: 20070232759Abstract: The present invention relates to a graft copolymer and a method for preparing the same, and more precisely a graft copolymer prepared by the steps of preparing a living activator with a single monomer and a block copolymer of a vinyl aromatic hydrocarbon or a conjugated diene hydrocarbon; and then grafting the prepared living activator to polyolefin polymer, and a method for preparing the same. According to the method of the present invention, the individual vinyl aromatic hydrocarbon or conjugated diene hydrocarbon polymers, and a block copolymer thereof, can be grafted onto chlorinated polyolefin polymer as a branch by using a living activator, and the resultant graft copolymer can be widely applied to various high molecular additives, compatabilizers, waterproof sheets and asphalt, etc.Type: ApplicationFiled: October 5, 2006Publication date: October 4, 2007Applicant: LG CHEM, LTD.Inventors: Moon-seok CHUN, Jin-woo LEE, Choon-hwa LEE, Ik-jun CHOI
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Patent number: 7160952Abstract: The present invention relates to a linear block copolymer and a process for preparing the same, particularly to a linear block copolymer and a process for preparing the same which can improve transmissivity of a block copolymer and remarkably lower a Haze value by introducing a vinyl aromatic hydrocarbon to conduct primary polymerization, simultaneously introducing a vinyl aromatic hydrocarbon and a conjugated diene monomer therein to conduct secondary polymerization, and introducing a vinyl aromatic hydrocarbon therein to conduct tertiary polymerization, thereby locating a conjugated diene/vinyl aromatic hydrocarbon copolymer block in a block copolymer.Type: GrantFiled: September 23, 2005Date of Patent: January 9, 2007Assignee: LG Chem, Ltd.Inventors: Moon-Seok Chun, Jae-Cheol Cho, Kyu-Seok Sim, Choon-Hwa Lee
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Publication number: 20060229390Abstract: The present invention relates to an asphalt composition comprising a linear diblock copolymer. Particularly, an asphalt composition comprising a linear diblock copolymer consisting of a vinyl aromatic hydrocarbon/conjugated diene has superior dispersion, elongation and a high softening point, and an asphalt composition to which a small amount of sulfur compound is further added has more improved dispersion and thus elongation and softening temperature can be improved more effectively.Type: ApplicationFiled: March 20, 2006Publication date: October 12, 2006Inventors: Moon-Seok Chun, Jae-Cheol Cho, Kyu-Seok Sim, Choon-Hwa Lee
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Publication number: 20060217509Abstract: The present invention relates to a linear block copolymer and a process for preparing the same, particularly to a linear block copolymer and a process for preparing the same which can improve transmissivity of a block copolymer and remarkably lower a Haze value by introducing a vinyl aromatic hydrocarbon to conduct primary polymerization, simultaneously introducing a vinyl aromatic hydrocarbon and a conjugated diene monomer therein to conduct secondary polymerization, and introducing a vinyl aromatic hydrocarbon therein to conduct tertiary polymerization, thereby locating a conjugated diene/vinyl aromatic hydrocarbon copolymer block in a block copolymer.Type: ApplicationFiled: September 23, 2005Publication date: September 28, 2006Inventors: Moon-Seok Chun, Jae-Cheol Cho, Kyu-Seok Sim, Choon-Hwa Lee
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Publication number: 20050004273Abstract: The present invention relates to an asphalt composition comprising a linear diblock copolymer. Particularly, an asphalt composition comprising a linear diblock copolymer consisting of a vinyl aromatic hydrocarbon/conjugated diene has superior dispersion, elongation and a high softening point, and an asphalt composition to which a small amount of sulfur compound is further added has more improved dispersion and thus elongation and softening temperature can be improved more effectively.Type: ApplicationFiled: December 4, 2002Publication date: January 6, 2005Inventors: Moon-Seok Chun, Jae-Cheol Cho, Kyu-Seok Sim, Choon-Hwa Lee
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Publication number: 20040242787Abstract: The present invention relates to a linear block copolymer and a process for preparing the same, particularly to a linear block copolymer and a process for preparing the same which can improve transmissivity of a block copolymer and remarkably lower a Haze value by introducing a vinyl aromatic hydrocarbon to conduct primary polymerization, simultaneously introducing a vinyl aromatic hydrocarbon and a conjugated diene monomer therein to conduct secondary polymerization, and introducing a vinyl aromatic hydrocarbon therein to conduct tertiary polymerization, thereby locating a conjugated diene/vinyl aromatic hydrocarbon copolymer block in a block copolymer.Type: ApplicationFiled: July 1, 2003Publication date: December 2, 2004Inventors: Moon-Seok Chun, Jae-Chol Cho, Kyu-Seok Sim, Choon-Hwa Lee