Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8227132 | Direct liquid feed fuel cell stack | Jin Ho Kim, Kyoung-hwan Choi | 2012-07-24 |
| 8206868 | Direct liquid feed fuel cell system having double fuel storage | Jae Yong Lee, Kyoung-hwan Choi | 2012-06-26 |
| 8153313 | Hybrid voltage supply apparatus, method of controlling the same, and electronic system employing the same as power supply | Lei Hu, Young Jae Kim, Jae Yong Lee, Young-soo Joung | 2012-04-10 |
| 8012649 | Fuel cell system having pressurizing system | Young-soo Joung, Jae Yong Lee, Young Jae Kim | 2011-09-06 |
| 7947402 | Fuel cell system capable of supplying and receiving power and method of operating the same | Young Jae Kim | 2011-05-24 |
| 7942643 | Device and method for pumping fluids employing the movement of gas bubbles in microscale | Natalia Ivanova | 2011-05-17 |
| 7923159 | Water recovery system and direct liquid feed fuel cell having the same | Hyuk Chang, Kyoung-hwan Choi, Jae Yong Lee | 2011-04-12 |
| 7910379 | Apparatus and method for ejecting droplets using charge concentration and liquid bridge breakup | Beom Seok Lee, Jeong-gun Lee, In Seok Kang, Jae Suk MOON, Jin-Seok Hong | 2011-03-22 |
| 7909427 | Device for printing droplet or ink on substrate or paper | Su-hyeon Kim, Jeong-gun Lee, Jong-suk CHUNG, Nam Huh, In Seok Kang +1 more | 2011-03-22 |
| 7841843 | Valveless micro air delivery device | Xiao-bing Luo | 2010-11-30 |
| 7824621 | Apparatus and method for ejecting droplets using charge concentration and liquid bridge breakup | Beom Seok Lee, Jeong-gun Lee, In Seok Kang, Jae Suk MOON, Jin-Seok Hong | 2010-11-02 |
| 7771889 | Fuel cartridge and direct liquid feed fuel cell system having the same | Jae Yong Lee, Hyuk Chang, Kyoung-hwan Choi | 2010-08-10 |
| 7767069 | Method for controlling the contact angle of a droplet in electrowetting and an apparatus using the droplet formed thereby | Jeong-gun Lee, Nam Huh, Sung Jae Kim | 2010-08-03 |
| 7759018 | Direct liquid feed fuel cell and portable electronic apparatus including the same | Kyoung-hwan Choi | 2010-07-20 |
| 7759013 | Fuel delivery apparatus of direct liquid feed fuel cell | Jae Yong Lee | 2010-07-20 |
| 7695842 | Fuel supply device for direct methanol fuel cells | Xiaobing Luo, Hyuk Chang | 2010-04-13 |
| 7677482 | Electric charge concentration type droplet dispensing device having nonconductive capillary nozzle | Beom Seok Lee, Jeong-gun Lee | 2010-03-16 |
| 7622213 | Liquid fuel mixing apparatus and direct liquid feed fuel cell system including the same | Dong-kee Sohn, Xiaobing Luo | 2009-11-24 |
| 7600840 | Device for printing droplet or ink on substrate or paper | Su-hyeon Kim, Jeong-gun Lee, Jong-suk CHUNG, Nam Huh, In Seok Kang +1 more | 2009-10-13 |
| 7553135 | Diaphragm air pump | Xiaobing Luo, Zhaoying Zhou, Xing-Peng Yang, Xiongying Ye | 2009-06-30 |
| 7419737 | Fuel supply device for direct methanol fuel cells | Jung-Min Oh, Kyoung-hwan Choi | 2008-09-02 |
| 7353696 | Apparatus for measuring methanol concentration | Xiaobing Luo, Jae Yong Lee, Sang-kyun Kang | 2008-04-08 |
| 7168479 | Heat transfer apparatus | Young-ki Hong, Kyung-il Cho, Byeoung-ju Ha, Jong Beom Kim | 2007-01-30 |
| 7121308 | Fuel supply device for direct methanol fuel cells | Xiao-bing Luo | 2006-10-17 |
| 7080553 | Micro-accelerometer | Xiao-bing Luo | 2006-07-25 |