Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7851557 | Organic/inorganic composite electrolyte membranes using zeolite and fuel cell comprising the same | Yong Su Park, Kwon Nam Sohn, Bong-Keun Lee, Jae-Hyuk Chang, Eun Ju Kim | 2010-12-14 |
| 7807759 | Branched and sulphonated multi block copolymer and electrolyte membrane using the same | Young Ji TAE, Jae-Hyuk Chang, Bong-Keun Lee, 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, Jae-Hyuk Chang, Bong-Keun Lee, Dirk Henkensmeier | 2009-12-15 |
| 7601785 | Sulphonated multiblock copolymer and electrolyte membrane using the same | Jae-Hyuk Chang, Young Ji TAE, Bong-Keun Lee | 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, Bong-Keun Lee | 2009-07-07 |
| 7446165 | Benzimidazole compound | Young Ji TAE, Bong-Keun Lee | 2008-11-04 |
| 7351775 | Ion conductive membrane made from a block copolymer and methods of making a block copolymer | Gerhard Maier, Gunther Scherer | 2008-04-01 |