Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7393186 | Multi-stage compressor | Xiufeng Gao, In Kyu Kim, Kyeong-Ho Kim, Yongzhang Yu, Shiyu Feng | 2008-07-01 |
| 7287458 | Yoke mechanism for compressor | Xiufeng Gao, In Kyu Kim, Kyeong-Ho Kim, Yongzhang Yu, Shiyu Feng | 2007-10-30 |
| 7100743 | Crank shaft in dual capacity compressor | Kyoung Jun Park, Kee Joo Kim, Hee Hyun Kim, Jong Bong Kim, Cheol Ki No +4 more | 2006-09-05 |