Patent

3DLabs

Target	Application	Filed	Date	Patent
Gamma	09/353,420	07/15/1999	06/10/2003	US 6,577,316 Wide instruction word graphics processor

ATI

Target	Application	Filed	Date	Patent
R100	09/552,931	04/20/2000	04/22/2003	US 6,552,733 Configurable vertex blending circuit and method therefore
R100	09/556,472	04/21/2000	05/04/2004	US 6,731,294 Vector engine with pre-accumulation buffer and method therefore
R100	09/556/474	04/21/2000	10/07/2003	US 6,630,935 Geometric engine including a computational module for use in a video graphics controller

NVIDIA

Target	Application	Filed	Date	Patent
	09/273,826	03/22/1999	01/30/2001	US 6,181,352 Graphics pipeline selectively providing multiple pixels or multiple textures
	09/273,975	03/22/1999	12/25/2001	US 6,333,744 Graphics pipeline including combiner stages
	09/274,985	03/23/1999	10/02/2001	US 6,297,833 Bump mapping in a computer graphics pipeline
	09/454,505	12/06/1999	11/18/2003	US 6,650,325 Method, apparatus and article of manufacture for boustrophedonic rasterization
	09/454,516	12/06/1999	03/06/2001	US 6,198,488 Transform, lighting and rasterization system embodied on a single semiconductor platform
	09/454,518	12/06/1999	03/15/2005	US 6,867,780 System, method and article of manufacture for allowing direct memory access to graphics vertex data while bypassing a processor
	09/454,524	12/06/1999	07/09/2002	US 6,417,851 Method and apparatus for lighting module in a graphics processor
	09/454,525	12/06/1999	02/04/2003	US 6,515,671 Method, apparatus and article of manufacture for a vertex attribute buffer in a graphics processor
	09/455,305	12/06/1999	01/07/2003	US 6,504,542 Method, apparatus and article of manufacture for area rasterization using sense points
	09/455,728	12/06/1999	07/20/2004	US 6,765,575 Clip-less rasterization using line equation-based traversal
	09/456,102	12/06/1999	03/05/2002	US 6,353,439 System, method and computer program product for a blending operation in a transform module of a computer graphics pipeline
	09/456,104	12/06/1999	06/03/2003	US 6,573,900 Method, apparatus and article of manufacture for a sequencer in a transform/lighting module capable of processing multiple independent execution threads
	09/585,809	05/31/2000	03/11/2003	US 6,532,013 System, method and article of manufacture for pixel shaders for programmable shading
	09/586,249	05/31/2000	04/24/2007	US 7,209,140 System, method and article of manufacture for a programmable vertex processing model with instruction set
	09/730,652	12/05/2000	01/29/2002	US 6,342,888 Graphics processing unit with an integrated fog and blending operation
	09/877,348	06/08/2001	02/24/2004	US 6,697,064 System, method and computer program product for matrix tracking during vertex processing in a graphics pipeline
	09/877,851	06/08/2001	01/09/2007	US 7,162,716 Software emulator for optimizing application-programmable vertex processing
	09/877,852	06/08/2001	05/17/2005	US 6,894,687 System, method and computer program product for vertex attribute aliasing in a graphics pipeline
	09/885,242	06/19/2001	04/20/2004	US 6,724,394 Programmable pixel shading architecture
	09/885,382	06/19/2001	03/22/2005	US 6,870,540 System, method and computer program product for a programmable pixel processing model with instruction set
	09/960,630	09/20/2001	01/18/2005	US 6,844,880 System, method and computer program product for an improved programmable vertex processing model with instruction set
	09/977,522	10/12/2001	12/16/2003	US 6,664,963 System, method and computer program product for programmable shading using pixel shaders

S3

Target	Application	Filed	Date	Patent
	09/691,644	10/18/2000	08/26/2003	US 6,611,265 Multi-stage fixed cycle pipe-lined lighting equation evaluator