| Patent | Date |
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High strength welding joint having excellent impact toughness at very low temperature, and flux-cored arc welding wire therefor
Grant 10,864,605 - Lee , et al. December 15, 2 | 2020-12-15 |
Shot Ball Having Excellent Strength And Wear Resistance And Method For Manufacturing Same
App 20200087763 - LEE; Sang-Chul ; et al. | 2020-03-19 |
Flux-cored arc welding material having remarkable impact resistance and abrasion resistance
Grant 10,279,436 - Lee , et al. | 2019-05-07 |
High Strength Welding Joint Having Excellent Impact Toughness At Very Low Temperature, And Flux-cored Arc Welding Wire Therefor
App 20190084096 - LEE; Bong-Keun ; et al. | 2019-03-21 |
Welded joint of extremely low-temperature steel, and welding materials for preparing same
Grant 9,981,346 - Han , et al. May 29, 2 | 2018-05-29 |
Reinforced composite electrolyte membrane for fuel cell
Grant 9,893,374 - Kim , et al. February 13, 2 | 2018-02-13 |
Flux-cored arc welding wire for providing superior toughness and weldability to a welded joint at a low temperature, and welded joint using same
Grant 9,492,894 - Han , et al. November 15, 2 | 2016-11-15 |
Welding Material For Heat Resistant Steel
App 20160318133 - HAN; Il-Wook ; et al. | 2016-11-03 |
Flux-cored Arc Welding Material Having Remarkable Impact Resistance And Abrasion Resistance
App 20160279742 - LEE; Bong-Keun ; et al. | 2016-09-29 |
Welding Material For Submerged Arc Welding And Gas Metal Arc Welding, Having Remarkable Impact Resistance And Abrasion Resistance
App 20160273083 - LEE; Bong-Keun ; et al. | 2016-09-22 |
Welding Joint Having Remarkable Impact Resistance And Abrasion Resistance
App 20160271740 - Lee; Bong-Keun ; et al. | 2016-09-22 |
High Strength Welding Joint Having Excellent Impact Toughness At Very Low Temperature, And Flux-cored Arc Welding Wire Therefor
App 20160271739 - LEE; Bong-Keun ; et al. | 2016-09-22 |
Welded Joint Of Extremely Low-temperature Steel, And Welding Materials For Preparing Same
App 20160271736 - HAN; Il-Wook ; et al. | 2016-09-22 |
Reflection plate for backlight unit and backlight unit of liquid crystal display having good thermal conductivity
Grant 9,442,226 - Lee , et al. September 13, 2 | 2016-09-13 |
Nanocomposites, polymer compositions comprising the same and preparation methods thereof
Grant 9,303,130 - Kim , et al. April 5, 2 | 2016-04-05 |
Reflection plate for backlight unit and backlight unit of liquid crystal display having good thermal conductivity
Grant 9,146,338 - Lee , et al. September 29, 2 | 2015-09-29 |
Reinforced Composite Electrolyte Membrane For Fuel Cell
App 20150214563 - KIM; Eun Ju ; et al. | 2015-07-30 |
Reflection Plate For Backlight Unit And Backlight Unit Of Liquid Crystal Display Having Good Thermal Conductivity
App 20150205164 - LEE; Heon Sang ; et al. | 2015-07-23 |
Reinforced composite electrolyte membrane for fuel cell
Grant 9,054,357 - Kim , et al. June 9, 2 | 2015-06-09 |
Flux-Cored Arc Welding Wire for Providing Superior Toughness and Weldability to a Welded Joint at a Low Temperature, and Welded Joint Using Same
App 20130284713 - Han; Il-Wook ; et al. | 2013-10-31 |
Multi-layered Light Diffusion Plate And Liquid Crystal Display Device Comprising The Same
App 20130286325 - Yang; Hyun-Seok ; et al. | 2013-10-31 |
Multi-layered light diffusion plate and liquid crystal display device comprising the same
Grant 8,508,850 - Yang , et al. August 13, 2 | 2013-08-13 |
Microcellular foam of thermoplastic resin prepared with die having improved cooling property and method for preparing the same
Grant 8,398,904 - Nam , et al. March 19, 2 | 2013-03-19 |
Low surface gloss styrene resin composition, and low surface gloss sheet and composite article therefrom
Grant 8,378,024 - Cho , et al. February 19, 2 | 2013-02-19 |
Nanocomposites, Polymer Compositions Comprising The Same And Preparation Methods Thereof
App 20110033695 - Kim; No Ma ; et al. | 2011-02-10 |
Organic/inorganic composite electrolyte membranes using zeolite and fuel cell comprising the same
Grant 7,851,557 - Park , et al. December 14, 2 | 2010-12-14 |
Microcellular Foam Of Thermoplastic Resin Prepared With Die Having Improved Cooling Property And Method For Preparing The Same
App 20100311853 - NAM; Kyung-Gu ; et al. | 2010-12-09 |
Branched and sulphonated multi block copolymer and electrolyte membrane using the same
Grant 7,807,759 - Shin , et al. October 5, 2 | 2010-10-05 |
Low Surface Gloss Styrene Resin Composition, And Low Surface Gloss Sheet And Composite Article Therefrom
App 20100075165 - Cho; Yun-kyoung ; et al. | 2010-03-25 |
Branched multiblock polybenzimidazole-benzamide copolymer and method for preparing the same, electrolyte membrane and paste/gel prepared therefrom
Grant 7,632,591 - Won , et al. December 15, 2 | 2009-12-15 |
Sulphonated multiblock copolymer and electrolyte membrane using the same
Grant 7,601,785 - Chang , et al. October 13, 2 | 2009-10-13 |
Polybenzimidazole-benzamide copolymer, process for preparing the same, electrolyte membrane prepared therefrom and process for preparing the same
Grant 7,556,876 - Lee , et al. July 7, 2 | 2009-07-07 |
Multi-Layered Light Diffusion Plate and Liquid Crystal Display Device Comprising the Same
App 20090161221 - Yang; Hyun-Seok ; et al. | 2009-06-25 |
Benzimidazole compound
Grant 7,446,165 - Shin , et al. November 4, 2 | 2008-11-04 |
Organic/inorganic composite electrolyte membranes using zeolite and fuel cell comprising the same
App 20080070094 - Park; Yong Su ; et al. | 2008-03-20 |
Reinforced composite electrolyte membrane for fuel cell
App 20070231653 - Kim; Eun Ju ; et al. | 2007-10-04 |
Novel metal (III) -chromium-phosphate complex and use thereof
App 20070148520 - Shin; Chong Kyu ; et al. | 2007-06-28 |
Microcellular foam of thermoplastic resin prepared with die having improved cooling property and method for preparing the same
App 20070123598 - Nam; Kyung-Gu ; et al. | 2007-05-31 |
Heat Resistant Light Diffusion Blend Composition
App 20070123626 - KIM; Seo-hwa ; et al. | 2007-05-31 |
Branched multiblock polybenzimidazole-benzamide copolymer and method for preparing the same, electrolyte membrane and paste/gel prepared therefrom
App 20070111075 - Won; Jung-hye ; et al. | 2007-05-17 |
Reflection plate for backlight unit and backlight unit of liquid crystal display having good thermal conductivity
App 20070047253 - Lee; Heon Sang ; et al. | 2007-03-01 |
Polyvinyl chloride foams
App 20060264523 - Lee; Min-hee ; et al. | 2006-11-23 |
Sulphonated multiblock copolymer and electrolyte membrane using the same
App 20060160960 - Chang; Jae Hyuk ; et al. | 2006-07-20 |
Branched and sulphonated multi block copolymer and electrolyte membrane using the same
App 20060134494 - Shin; Chong-kyu ; et al. | 2006-06-22 |
Polybenzimidazole-benzamide copolymer, process for preparing the same, electrolyte membrane prepared therefrom and process for preparing the same
App 20060068259 - Lee; Jong-chan ; et al. | 2006-03-30 |
Novel benzimidazole compound
App 20060036061 - Shin; Chong-kyu ; et al. | 2006-02-16 |
Method for detecting accident
App 20040234102 - Lee, Bong Keun | 2004-11-25 |
Method for detecting accident
App 20040117107 - Lee, Bong Keun | 2004-06-17 |
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