Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8070935 | Apparatus for analyzing tin compounds in liquid samples and method for analyzing tin levels using the same | Yong Su Choi, Seok Won Hong, Sang Hyup Lee, Chang Ho Choi, Bong Geun Jeong | 2011-12-06 |
| 8010229 | Method and apparatus for returning cleaning robot to charge station | Chang Gyu Lim, Sung Ho IM, Dong-Sun Lim | 2011-08-30 |
| 7878235 | Rear air conditioner for vehicle | Min-woo Park | 2011-02-01 |