Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6022846 | Expression of phytase in plants | Albert Johannes Joseph Van Ooijen, Krun Rietveld, Andreas Hoekema, Jan Pen, Teunis Cornelis Verwoerd | 2000-02-08 |
| 5770413 | Expression of phytase in plants | Albert Johannes Joseph Van Ooijen, Krijn Rietveld, Andreas Hoekema, Jan Pen, Teunis Cornelis Verwoerd | 1998-06-23 |
| 5714474 | Production of enzymes in seeds and their use | Albert Johannes Joseph Van Ooijen, Krijn Rietveld, Andreas Hoekema, Jan Pen, Teunis Cornelis Verwoerd +1 more | 1998-02-03 |
| 5593963 | Expression of phytase in plants | Albert Johannes Joseph Van Ooijen, Krijn Rietveld, Andreas Hoekema, Jan Pen, Teunis Cornelis Verwoerd | 1997-01-14 |
| 5543576 | Production of enzymes in seeds and their use | Albert Johannes Joseph Van Ooijen, Krijn Rietveld, Andreas Hoekema, Jan Pen, Teunis Cornelis Verwoerd +1 more | 1996-08-06 |