Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10864605 | High strength welding joint having excellent impact toughness at very low temperature, and flux-cored arc welding wire therefor | Sang Chul Lee, Il-Wook Han, Jeong-Kil Kim | 2020-12-15 |
| 10279436 | Flux-cored arc welding material having remarkable impact resistance and abrasion resistance | Il-Wook Han, Jeong-Kil Kim, Sang Chul Lee, Dong-Ryeol Lee, Geug KIM | 2019-05-07 |
| 9981346 | Welded joint of extremely low-temperature steel, and welding materials for preparing same | Il-Wook Han, Jeong-Kil Kim, Hong-Kil Lee | 2018-05-29 |
| 9893374 | Reinforced composite electrolyte membrane for fuel cell | Eun Ju Kim, Chong Kyu Shin, Seong Ho Choi | 2018-02-13 |
| 9492894 | Flux-cored arc welding wire for providing superior toughness and weldability to a welded joint at a low temperature, and welded joint using same | Il-Wook Han, Jeong-Kil Kim, Hong-Kil Lee | 2016-11-15 |
| 9442226 | Reflection plate for backlight unit and backlight unit of liquid crystal display having good thermal conductivity | Heon Sang Lee, Eung Soo Kim, Myung Se Lee, Min Han Kwak, Seon Mo Son | 2016-09-13 |
| 9303130 | Nanocomposites, polymer compositions comprising the same and preparation methods thereof | No Ma Kim, Suk Ky Chang, Jae Gwan Lee | 2016-04-05 |
| 9146338 | Reflection plate for backlight unit and backlight unit of liquid crystal display having good thermal conductivity | Heon Sang Lee, Eung Soo Kim, Myung Se Lee, Min Han Kwak, Seon Mo Son | 2015-09-29 |
| 9054357 | Reinforced composite electrolyte membrane for fuel cell | Eun Ju Kim, Chong Kyu Shin, Seong Ho Choi | 2015-06-09 |
| 8508850 | Multi-layered light diffusion plate and liquid crystal display device comprising the same | Hyun Seok Yang, Seo Hwa KIM, Jae Chan Park, Ju-Hwa Lee | 2013-08-13 |
| 8398904 | Microcellular foam of thermoplastic resin prepared with die having improved cooling property and method for preparing the same | Kyung-Gu Nam, Ki-Deog Choi, Jong Sung Park, Seon Mo Son, Kyung-Jip Min | 2013-03-19 |
| 8378024 | Low surface gloss styrene resin composition, and low surface gloss sheet and composite article therefrom | Yun-kyoung Cho, Seon Mo Son, Tae Bin Ahn, Han-jong You, Sung Tae Ahn | 2013-02-19 |
| 7851557 | Organic/inorganic composite electrolyte membranes using zeolite and fuel cell comprising the same | Yong Su Park, Chong Kyu Shin, Kwon Nam Sohn, Jae-Hyuk Chang, Eun Ju Kim | 2010-12-14 |
| 7807759 | Branched and sulphonated multi block copolymer and electrolyte membrane using the same | Chong Kyu Shin, Young Ji TAE, Jae-Hyuk Chang, Chang-ae Cho, Sang Hyun Lee +2 more | 2010-10-05 |
| 7632591 | Branched multiblock polybenzimidazole-benzamide copolymer and method for preparing the same, electrolyte membrane and paste/gel prepared therefrom | Jung Hye Won, Yong Su Park, Chong Kyu Shin, Jae-Hyuk Chang, Dirk Henkensmeier | 2009-12-15 |
| 7601785 | Sulphonated multiblock copolymer and electrolyte membrane using the same | Jae-Hyuk Chang, Young Ji TAE, Chong Kyu Shin | 2009-10-13 |
| 7556876 | Polybenzimidazole-benzamide copolymer, process for preparing the same, electrolyte membrane prepared therefrom and process for preparing the same | Jong Chan LEE, Yong Su Park, Tae Ho Kim, Chong Kyu Shin | 2009-07-07 |
| 7446165 | Benzimidazole compound | Chong Kyu Shin, Young Ji TAE | 2008-11-04 |