Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7033627 | Production of enzymes in seeds and their use | Krijn Rietveld, Wilhelmus J. Quax, Jan Pen, Andreas Hoekema, Peter Christiaan Sijmons +1 more | 2006-04-25 |
| 6602682 | Kluyveromyces as a host strain | Johan A. Van Den Berg, Krijn Rietveld, Cornelis P. Hollenberg, Sunil Das, Albert Louis De Leeuw | 2003-08-05 |
| 6346513 | Proteins with factor VIII activity: process for their preparation using genetically-engineered cells and pharmaceutical compositions containing them | Hans Pannekoek, Martinus Philippus Verbeet, Robert Willem Van Leen | 2002-02-12 |
| 6316226 | Proteins with Factor VIII activity: process for their preparation using genetically-engineered cells and pharmaceutical compositions containing them | Hans Pannekoek, Martinus Philippus Verbeet, Robert Willem Van Leen | 2001-11-13 |
| 5840528 | Transformation of phaffia rhodozyma | — | 1998-11-24 |
| 5830737 | Cloning and expression of the exo-polygalacturonase gene from aspergillus | Margo Anne-Rose Kusters-Van Someren, Yvonne Muller, Hermanus C. M. Kester, Jacob Visser, Claus Rolin | 1998-11-03 |
| 5705375 | Transgenic plants having a modified carbohydrate content | Krijn Rietveld, Wilhelmus J. Quax, Petrus Josephus Maria Van Den Elzen, Jan Pen, Andreas Hoekema +1 more | 1998-01-06 |
| 5624834 | Cloning and expression of the exo-polygalacturonase gene from aspergillus | Margo Anne-Rose Kusters-Van Someren, Yvonne Muller, Hermanus C. M. Kester, Jacob Visser, Claus Rolin | 1997-04-29 |
| 5610046 | Cloning and expression of xylanase B | Leendert H. DeGraaff, Henriette C. Van Den Broeck, Jacob Visser | 1997-03-11 |
| 5358864 | Cloning and expression of xylanase genes from fungal origin | Henriette C. Van Den Broeck, Leendert Hendrik De Graaff, Jan Dirk Rene Hille, Jacob Visser, Abraham Harder | 1994-10-25 |
| 5171844 | Proteins with factor VIII activity: process for their preparation using genetically-engineered cells and pharmaceutical compositions containing them | Hans Pannekoek, Martinus Philippus Verbeet, Robert Willem Van Leen | 1992-12-15 |
| 4943529 | Kluyveromyces as a host strain | Johan A. Van Den Berg, Krijn Rietveld | 1990-07-24 |