Inventor

KOSTREWA DIRK

DE6 patents

⚠️ This page may combine multiple inventors who share the name “KOSTREWA DIRK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NOVOZYMES AS

2 patents

US6514495B1Feb 4, 2003

Phytase varinats

NOVOZYMES AS25 citations91

US6689358B2Feb 10, 2004

Phytase variants

NOVOZYMES AS1 citations61

ROCHE VITAMINS INC

2 patents

US6391605B1May 21, 2002

Modified phytases

ROCHE VITAMINS INC29 citations91

US6734004B2May 11, 2004

Modified phytases

ROCHE VITAMINS INC4 citations61

DSM IP ASSETS BV

1 patent

US7078183B2Jul 18, 2006

Modified phytases

DSM IP ASSETS BV0 citations50

NOVOZYMES ALS

1 patent

US7326554B2Feb 5, 2008

Phytase variants

NOVOZYMES ALS0 citations49