Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9311642 | Apparatus and method for creating coupon for free gift | Kee-Pum Lee | 2016-04-12 |
| 8286445 | Water-cooled air conditioner | In Woong Park, Ja Hyung Koo, Soo Yeon Shin, Dong-Hyuk Lee | 2012-10-16 |
| 8281614 | Water-cooled air conditioner | Ja Hyung Koo, In Woong Park, Soo Yeon Shin, Dong-Hyuk Lee | 2012-10-09 |
| 7918104 | Water cooling type air conditioner | In Woong Park, Ja Hyung Koo, Soo Yoon Shin, Dong-Hyuk Lee, Chang Ryul Kim +4 more | 2011-04-05 |
| 7707851 | Air conditioner | In Woong Park, Ja Hyung Koo, Soo Yeon Shin, Dong-Hyuk Lee | 2010-05-04 |