Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7276225 | Process for producing niobium and tantalum compounds | Patrick M. Brown, Rong-Chein Richard Wu, Michael G. Madara | 2007-10-02 |
| 6984370 | Process for producing niobium and tantalum compounds | Patrick M. Brown, Rong-Chein Richard Wu, Michael G. Madara | 2006-01-10 |
| 6338832 | Process for producing niobium and tantalum compounds | Patrick M. Brown, Rong-Chein Richard Wu, Michael G. Madara | 2002-01-15 |