Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9266067 | Composite separation membrane structure for gas sensor, gas sensor apparatus comprising the same, and method and apparatus for measuring gas concentration using the same | Hung Gu Han, Jung Wook Lee | 2016-02-23 |
| 7847453 | Bearingless step motor | Seung-Jong Kim, Du Jin BACH | 2010-12-07 |
| 7615291 | Coating material having heat and abrasion resistance and low friction characteristics | Yong Bok Lee, Chang-Ho Kim, Hung Gu Han, Jeon Kook Lee, Jun Hyeon Jo +1 more | 2009-11-10 |
| 7612874 | Method and apparatus for monitoring oil deterioration in real time | Eui Sung Yoon, Hung Gu Han, Lyubov Markova, Mikhail Semenyuk, Vladimir Mikhailovich Makarenko | 2009-11-03 |
| 7391035 | Method and device for monitoring oil oxidation in real time by measuring fluorescence | Eui Sung Yoon, Hung Gu Han, Lyubov Markova, Mikhail Semenyuk, Vladimir Mikhailovich Makarenko | 2008-06-24 |
| 7136155 | Apparatus for measuring oil oxidation using fluorescent light reflected from oil | Hung Gu Han, Eui Sung Yoon, Markova Lyubov, Nickolai Myshikin, Mikhail Semenyuk | 2006-11-14 |
| 6842234 | Apparatus for measuring soot content in diesel engine oil in real time | Hung Gu Han, Eui Sung Yoon, Lyubov Markova, Mikhail Semenyuk | 2005-01-11 |