Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8415072 | Membrane electrode assembly for fuel cell | Jung-Min Oh, Ji-rae Kim, Joon Hee Kim, Yoon-hoi Lee, Sang Hoon Joo | 2013-04-09 |
| 8187764 | Fuel cell with moisture retentive layer in MEA | Ji-rae Kim, Seung Jae Lee, Hyuk Chang | 2012-05-29 |
| 8173712 | Modified inorganic material with ion exchange capacity, composite electolyte membrane comprising the same, and fuel cell comprising the composite electrolyte membrane | Jae Sung Lee, Hyun Chul Lee, Hyuk Chang, Chang Houn Rhee | 2012-05-08 |
| 8043765 | Fuel cell system comprising vapor-phase fuel supplying system | Jung-Min Oh, Jae Yong Lee, Hyuk Chang | 2011-10-25 |
| 7981568 | Ion conductive composite membrane using inorganic conductor | Hyuk Chang, Hasuck Kim, Jin Kyu Lee, Sangook Park, Shin Woo Ha | 2011-07-19 |
| 7883820 | Ion conductive composite membrane using inorganic conductor and method of manufacturing the same | Hyuk Chang, Hasuck Kim, Jin Kyu Lee, Sangook Park, Shin Woo Ha | 2011-02-08 |
| 7879971 | Multiblock copolymer, method of preparing the same, polymer electrolyte membrane prepared from the multiblock copolymer, method of preparing the polymer electrolyte membrane, and fuel cell employing the polymer electrolyte membrane | Won-mok Lee, Hyuk Chang, Jin Chul Jung, Sam Dae Park, Yun Ju Chang | 2011-02-01 |
| 7875569 | Supported catalyst, method for preparing the same, cathode electrode comprising the same, and fuel cell comprising the cathode electrode | Victor Roev, Sang-hyuk Suh, Kyung-jung Kwon | 2011-01-25 |
| 7846981 | Polymer electrolytic membrane, and fuel cell employing the same | Won-mok Lee | 2010-12-07 |
| 7842199 | Proton conducting titanate, polymer nano-composite membrane including the same, and fuel cell adopting the polymer nano-composite membrane | Jae Sung Lee, Young Kwon Kim, Hyuk Chang | 2010-11-30 |
| 7759453 | Multiblock copolymer, method of preparing the same, polymer electrolyte membrane prepared from the multiblock copolymer, method of preparing the polymer electrolyte membrane, and fuel cell employing the polymer electrolyte membrane | Won-mok Lee, Jin Chul Jung, Hyuk Chang, Sam Dae Park, Yoon-ju Chang | 2010-07-20 |
| 7691773 | Supported catalyst and method for preparing the same | Sang-hyuk Suh, Chan-ho Pak | 2010-04-06 |
| 7625651 | Polymer electrolyte comprising inorganic conductive nano-particles and fuel cell employing the polymer electrolyte | Ju-hee Cho | 2009-12-01 |
| 7621982 | Liquid-gas separator for direct liquid feed fuel cell | Sang-kyun Kang, Xiaobing Luo, Dong-kee Sohn | 2009-11-24 |
| 7622220 | Polymer electrolyte and fuel cell using the same | Kenneth J. Balkus, Jr., Hyuk Chang, John P. Ferraris, Duck Joo Yang, Zhiwei Yang | 2009-11-24 |
| 7619044 | Composition containing proton-conductive copolymer, polymer electrolyte membrane, method of producing the membrane, and fuel cell using the membrane | Won-mok Lee, Tae Kyoung Kim | 2009-11-17 |
| 7563530 | Fuel amount control system for fuel cell | Kyoung-hwan Choi | 2009-07-21 |
| 7368198 | Polymer nanocomposite membrane and fuel cell using the same | Jae Sung Lee, Chang Houn Rhee, Hyuk Chang | 2008-05-06 |
| 7357999 | Nanocomposite electrolyte membrane and fuel cell employing the same | — | 2008-04-15 |
| 7285612 | Partially fluorinated copolymer based on trifluorostyrene and substituted vinyl compound and ionic conductive polymer membrane formed therefrom | — | 2007-10-23 |
| 7229942 | Supported catalyst and method for preparing the same | Sang-hyuk Suh, Chan-ho Pak | 2007-06-12 |
| 7169500 | Membrane-electrode assembly of fuel cell, production method of the same, and fuel cell employing the same | Ji-rae Kim | 2007-01-30 |
| 7037950 | Partially fluorinated copolymer based on trifluorostyrene and substituted vinyl compound and ionic conductive polymer membrane formed therefrom | — | 2006-05-02 |
| 6774150 | Partially fluorinated copolymer based on trifluorostyrene and substituted vinyl compound and ionic conductive polymer membrane formed therefrom | — | 2004-08-10 |