Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10605243 | Scroll compressor with oil management system | Masao Akei, Roy J. Doepker, Qingfeng Sun, Hongfei Shu | 2020-03-31 |
| 10036388 | Scroll compressor with oil management system | Masao Akei, Roy J. Doepker, Qingfeng Sun, Hongfei Shu | 2018-07-31 |