Patent assignee · CA · COMPANY

ATI Technologies Inc.

374Patents
58Active
374Granted
46Portfolio score

Filing activity: Mar 19, 1992 → Dec 9, 2009 · 56 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6704421B1 Automatic multichannel equalization control system for a multimedia computer Electricity 387 Expired
US7130316B2 System for frame based audio synchronization and method thereof Electricity 203 Expired
US6195435A Method and system for channel balancing and room tuning for a multichannel audio surround sound speaker system Electricity 200 Expired
US6184908A Method and apparatus for co-processing video graphics data Physics 132 Expired
US6043821A Method and apparatus for rendering pixel information from blended texture maps Physics 125 Expired
US6304297A Method and apparatus for manipulating display of update rate Physics 120 Expired
US7194047B2 Receiver for robust data extension for 8VSB signaling Electricity 116 Expired
US7636921B2 Software and methods for previewing parameter changes for a graphics display driver Physics 113 Expired
US5764238A Method and apparatus for scaling and blending an image to be displayed Physics 109 Expired
US5940089A Method and apparatus for displaying multiple windows on a display monitor Physics 100 Expired
US6532525B1 Method and apparatus for accessing memory Emerging Cross-Sectional Technologies 98 Expired
US6055018A System and method for reconstructing noninterlaced captured content for display on a progressive screen Electricity 97 Expired
US6897871B1 Graphics processing architecture employing a unified shader Physics 93 Expired
US5537151A Close caption support with timewarp Physics 89 Expired
US6144392A Method and apparatus for formatting a texture in a frame buffer Physics 88 Expired
US5987106A Automatic volume control system and method for use in a multimedia computer system Electricity 87 Expired
US6201545A Method and apparatus for generating sub pixel masks in a three dimensional graphic processing system Physics 85 Expired
US6121978A Method and apparatus for graphics scaling Physics 82 Expired
US6337686B2 Method and apparatus for line anti-aliasing Physics 82 Expired
US6269484A Method and apparatus for de-interlacing interlaced content using motion vectors in compressed video streams Electricity 79 Expired
US6154419A Method and apparatus for providing compatibility with synchronous dynamic random access memory (SDRAM) and double data rate (DDR) memory Physics 75 Expired
US6118493A Method and apparatus for selecting a channel from a multiple channel display Electricity 74 Expired
US6988238B1 Method and system for handling errors and a system for receiving packet stream data Electricity 73 Expired
US6337947B1 Method and apparatus for customized editing of video and/or audio signals Electricity 72 Expired
US6334175A Switchable memory system and memory allocation method Physics 70 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.