Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8366805 | Composite structures with porous anodic oxide layers and methods of fabrication | Yi Ma | 2013-02-05 |
| 7390536 | Method for fabricating composite gas separation modules | Yi Ma, Erik Edwin Engwall | 2008-06-24 |
| 7255726 | Composite gas separation modules having high Tamman temperature intermediate layers | Yi Ma, Erik Edwin Engwall | 2007-08-14 |
| 7175694 | Composite gas separation modules having intermediate porous metal layers | Yi Ma, Erik Edwin Engwall | 2007-02-13 |
| 7172644 | Method for curing defects in the fabrication of a composite gas separation module | Yi Ma, Erik Edwin Engwall | 2007-02-06 |