Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8510906 | Upright type vacuum cleaner | — | 2013-08-20 |
| 8153287 | Air supply system for fuel cell and fuel cell system using the same | Jun-Won Suh, Jong-Ki Lee, Won-Hyouk Jang, Ri-A Ju, Eun-Suk Cho +1 more | 2012-04-10 |
| 7996954 | Path-conversion valve assembly for vacuum cleaner | Tae-gwang Kim | 2011-08-16 |
| 7971606 | Fuel tank and cap device thereof | Eun-Suk Cho, Jun-Won Suh, Jong-Ki Lee, Ri-A Ju, Won-Hyouk Jang +2 more | 2011-07-05 |
| 7846605 | Pump having noise-proof and vibration-proof structure and fuel cell system using the same | Sang-Hyeon Choi, Jong-Ki Lee, Won-Hyouk Jang, Jun-Won Suh, Ri-A Ju +2 more | 2010-12-07 |
| 7838140 | Stack and fuel cell system having the same | Jin-Hong An, Yun-Suk Choi, Ri-A Ju | 2010-11-23 |
| 7757668 | Method of correcting flow rate in fuel supply unit of fuel cell system | Won-Hyouk Jang, Sang-Hyeon Choi | 2010-07-20 |
| 7709117 | Fuel cell system and apparatus for supplying mixed fuel and water to the same | Sung-chul Lee, Ju-Yong Kim, Sang-Jun Kong, Chan-Ho Lee, Dong-Myung Suh +2 more | 2010-05-04 |
| 7682587 | Fuel cell reformer | Sang-Jun Kong, Ju-Yong Kim, Chan-Ho Lee, Sung-chul Lee, Dong-Myung Suh +2 more | 2010-03-23 |
| 7678491 | Stack and fuel cell system using the same | Eun-Suk Cho, Jun-Won Suh, Jong-Ki Lee, Ri-A Ju, Won-Hyouk Jang +2 more | 2010-03-16 |
| 7662201 | Dust collecting apparatus with a plurality of inlets | — | 2010-02-16 |
| 7658892 | Pipe shaped reformer having rugged internal surface | Chan-Ho Lee, Ju-Yong Kim, Sang-Jun Kong, Sung-chul Lee, Dong-Myung Suh +2 more | 2010-02-09 |
| 7629066 | Fuel cell system configured to detect and control excess load use | — | 2009-12-08 |
| 7556662 | Multi-cyclone dust separating apparatus | Oh-gyu Gweun, Dong-hun Yoo | 2009-07-07 |
| 7372214 | Apparatus and method for driving lamp of liquid crystal display device | Jae Hun Song, Jae Kyung Kang, Jae Ho Lee | 2008-05-13 |
| 7205724 | Backlight driving system for a liquid crystal display device | In Ho Ahn, Pu Jin Kim | 2007-04-17 |
| 7191490 | Soil collection receptacle attaching/detaching apparatus for cyclone vacuum cleaner and vacuum cleaner having the same | Byung-jo Lee, Min-Jo Choi | 2007-03-20 |
| D525754 | Handle for upright vacuum cleaner | Min-Jo Choi, Myoung-sun Joung | 2006-07-25 |
| 6991667 | Attaching and detaching device for contaminant collecting receptacle of cyclone separator | Il-won Yang | 2006-01-31 |
| 6724632 | Heat sink assembly with adjustable clip | Hsieh-Kun Lee, Zhi-Jie Zhang | 2004-04-20 |
| 6377093 | Time-to-digital converter and locking circuit and method using the same | Kee-wook Jung | 2002-04-23 |
| 6265913 | Load driving circuits having adjustable output drive capability | Seung Wook Lee, Wen-Chun Kim | 2001-07-24 |
| 6229368 | Internal clock generating circuits having delay compensation and methods for using the same | — | 2001-05-08 |
| 6141292 | Clock generating circuits that utilize analog pump signals to provide fast synchronization and reduced delay skew | Dae-yun Shim, Won-Chan Kim | 2000-10-31 |