Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10354674 | White noise generating apparatus for stress relaxation and concentration improvement, and white noise generating method using same | Min Cheol Whang, Jung Nylin Lee | 2019-07-16 |
| 10355284 | Composition, method of preparing the composition, electrode including the composition, and fuel cell including the electrode | Jung-ock Park, Seong-woo Choi, Jung S. Yi, Oemer Uensal | 2019-07-16 |
| 9368803 | Composition, method of preparing the composition, electrode including the composition, and fuel cell including the electrode | Jung-ock Park, Seong-woo Choi, Jung S. Yi, Oemer Uensal | 2016-06-14 |
| 9006300 | Method for mechanically stabilizing nitrogen-containing polymers | Oliver Gronwald, Jörg Belack, Jochen Baurmeister, Thomas Schmidt, Seongwoo Choi +2 more | 2015-04-14 |
| 8835257 | Method of fabricating semiconductor device including a recessed channel | Young-Pil Kim, Hyung-ik Lee, Ki Hong Kim, Jung-Yun Won, In Sun Jung | 2014-09-16 |
| 8632929 | Oxygen reduction electrode and fuel cell including the same | Sang-hyuk Suh, Suk-gi Hong | 2014-01-21 |
| 8580455 | Crosslinked polybenzoxazines, electrolyte membrane including the same, and fuel cell employing the electrolyte membrane | Seong-woo Choi, Hee-young Sun | 2013-11-12 |
| 8426081 | Polybenzoxazine-based compound, electrolyte membrane including the same, and fuel cell employing the electrolyte membrane | Seong-woo Choi, Hee-young Sun, Myung-jin Lee | 2013-04-23 |
| 8420277 | Electrolyte membrane using polybenzoxazine based compound | Myung-jin Lee, Seong-woo Choi, Hee-young Sun | 2013-04-16 |
| 8399169 | Electrophotographic toner and method of preparing the same | Hae-ree Joo, Deuk-woo Jang, Kyeong Pang | 2013-03-19 |
| 8349515 | Polybenzoxazine-based compound, electrolyte membrane including the same, and fuel cell employing the electrolyte membrane | Seong-woo Choi, Hee-young Sun, Myung-lin Lee | 2013-01-08 |
| 8303084 | Inkjet printhead and method of manufacturing the same | Byung-ha Park, Sung Jun Park, Young-ung Ha | 2012-11-06 |
| 8148028 | Polybenzoxazines, electrolyte membrane comprising the same, and fuel cell employing the electrolyte membrane | Seong-woo Choi, Hee-young Sun | 2012-04-03 |
| 8057577 | Desulfurizer for fuel gas for fuel cell and desulfurization method using the same | Doo Hwan Lee, Soon-ho Kim, Hyun Chul Lee, Eun-duck Park, Eun-yong Ko +1 more | 2011-11-15 |
| 8034508 | Polybenzoxazine-based compound, electrolyte membrane including the same, and fuel cell employing the electrolyte membrane | Seong-woo Choi, Hee-young Sun, Myung-jin Lee | 2011-10-11 |
| 8029945 | Method of preparing metal catalyst and electrode including the same | Suk-gi Hong, Duck-young Yoo, Jung-ock Park | 2011-10-04 |
| 7943272 | Metal catalyst and fuel cell employing electrode including the same | Suk-gi Hong | 2011-05-17 |
| 7858668 | Electrolyte membrane using polybenzoxazine based compound and method of manufacturing the same | Myung-jin Lee, Seong-woo Choi, Hee-young Sun | 2010-12-28 |
| 7850992 | Cucurbituril-containing gel and method of preparing the same | Kimoon Kim, II Ha Hwang, Hee-Joon Kim, Dongwoo Kim, Narayanan Selvapalam +1 more | 2010-12-14 |
| 7781050 | Ultrathin polymer film using cucurbituril derivative and method of forming the same | Kimoon Kim, Dongwoo Kim, Dong Hyun Oh, Sang Yong Jon | 2010-08-24 |