Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10224516 | Method for depositing organic material for organic light emitting device | Hae Ryong Lee, Sung Hoon Jee, Won-Eui Hong, Tae Ho CHO, Doo Jung Park | 2019-03-05 |
| 9687028 | Electronic cigarette | — | 2017-06-27 |
| 8828614 | Fuel cell hybrid system having multi-stack structure | Nam Woo Lee, Sang Uk Kwon, Seong Pil Ryu, Jae Won Jung | 2014-09-09 |
| 8518593 | Method for controlling operation of fuel cell at low temperature | Dong Hun Lee, Seo Ho Choi, Myoung-Ho Sunwoo, Jung Hwan Ryu, Keon Yup Chu +1 more | 2013-08-27 |
| 8519717 | Method for detecting ice blocking of fuel cell stack and controlling fuel cell vehicle using the same | Jae Won Jung, Nam Woo Lee, Jae Jun Ko, Sang Uk Kwon, Sun Heum Baek | 2013-08-27 |
| 8486571 | Method for controlling output of fuel cell in fuel cell hybrid vehicle | Seo Ho Choi, Nam Woo Lee, Soon Il Jeon, Sang Uk Kwon, Seong Pil Ryu | 2013-07-16 |
| 8372560 | Separator for fuel cell | Seong Pil Ryu, Hee Seok Jeong, Sang Uk Kwon, Nam Woo Lee, Seo Ho Choi | 2013-02-12 |
| 8215428 | Power configuration system for fuel cell hybrid vehicle and method for controlling the same | Nam Woo Lee, Sang Uk Kwon, Seong Pil Ryu, Jae Won Jung | 2012-07-10 |
| 8178253 | Current collector of end plate for fuel cell and method for controlling the same | Seong Pil Ryu, Nam Woo Lee, Sang Uk Kwon, Seo Ho Choi, Duck Whan Kim | 2012-05-15 |
| 8119297 | Idle stop-start control method of fuel cell hybrid vehicle | Sang Uk Kwon, Seo Ho Choi, Nam Woo Lee, Seong Pil Ryu | 2012-02-21 |
| 6859743 | Method for determining an effective voltage of a battery | — | 2005-02-22 |
| 6777944 | System for measuring battery current for electric vehicle | Jin Gon Kim | 2004-08-17 |
| 6624615 | Battery temperature management method of an electric vehicle | — | 2003-09-23 |
| 6472879 | Method for diagnosing a battery of a vehicle and a system thereof | — | 2002-10-29 |
| 6437537 | Battery module structure for improving cooling efficiency for electric vehicle | — | 2002-08-20 |
| 5870292 | Series resonant converter for switched reluctance motor drive | Thomas A. Lipo | 1999-02-09 |
| 4740881 | Simultaneous recovery commutation current source inverter for AC motors drives | Gyu-Hyeong Cho | 1988-04-26 |