Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Chengfuh Jeffrey Tang — 71 Patents

Broadcom: 71 patents #56 of 9,346Top 1%
Saratoga, CA: #105 of 2,933 inventorsTop 4%
California: #4,302 of 386,348 inventorsTop 2%
Overall (All Time): #28,754 of 4,157,543Top 1%
71 Patents All Time

Issued Patents All Time

Showing 51–71 of 71 patents

Patent #TitleCo-InventorsDate
6879330 Graphics display system with anti-flutter filtering and vertical scaling feature Alexander G. MacInnis, Xiaodong Xie, James T. Patterson, Greg A. Kranawetter 2005-04-12
6870538 Video and graphics system with parallel processing of graphics windows Alexander G. MacInnis, Xiaodong Xie 2005-03-22
6853385 Video, audio and graphics decode, composite and display system Alexander G. MacInnis, Xiaodong Xie, Greg A. Kranawetter, Vivian Hsiun, Francis Cheung +3 more 2005-02-08
6819330 Graphics display System with color look-up table loading mechanism Alexander G. MacInnis, Xiaodong Xie, James T. Patterson, Greg A. Kranawetter 2004-11-16
6819331 Method and apparatus for updating a color look-up table Guang-Ting Shih, Jay Li, Steven Tseng 2004-11-16
6768774 Video and graphics system with video scaling Alexander G. MacInnis, Xiaodong Xie, Vivian Hsiun 2004-07-27
6762762 Graphics accelerator Alexander G. MacInnis, Xiaodong Xie, James T. Patterson, Greg A. Kranawetter 2004-07-13
6744472 Graphics display system with video synchronization feature Alexander G. MacInnis, Xiaodong Xie, James T. Patterson, Greg A. Kranawetter 2004-06-01
6738072 Graphics display system with anti-flutter filtering and vertical scaling feature Alexander G. MacInnis, Xiaodong Xie, James T. Patterson, Greg A. Kranawetter 2004-05-18
6731295 Graphics display system with window descriptors Alexander G. MacInnis, Xiaodong Xie, James T. Patterson, Greg A. Kranawetter 2004-05-04
6721837 Graphics display system with unified memory architecture Alexander G. MacInnis, Xiaodong Xie, James T. Patterson, Greg A. Kranawetter 2004-04-13
6700588 Apparatus and method for blending graphics and video surfaces Alexander G. MacInnis, Xiaodong Xie, James T. Patterson, Greg A. Kranawetter 2004-03-02
6661427 Graphics display system with video scaler Alexander G. MacInnis, Xiaodong Xie, James T. Patterson, Greg A. Kranawetter 2003-12-09
6630945 Graphics display system with graphics window control mechanism Alexander G. MacInnis, Xiaodong Xie, James T. Patterson, Greg A. Kranawetter 2003-10-07
6608630 Graphics display system with line buffer control scheme Alexander G. MacInnis, Xiaodong Xie, James T. Patterson, Greg A. Kranawetter 2003-08-19
6573905 Video and graphics system with parallel processing of graphics windows Alexander G. MacInnis, Xiaodong Xie 2003-06-03
6570579 Graphics display system Alexander G. MacInnis, Xiaodong Xie 2003-05-27
6529935 Graphics display system with unified memory architecture Alexander G. MacInnis, Xiaodong Xie, James T. Patterson, Greg A. Kranawetter 2003-03-04
6501480 Graphics accelerator Alexander G. MacInnis, Xiaodong Xie, James T. Patterson, Greg A. Kranawetter 2002-12-31
6380945 Graphics display system with color look-up table loading mechanism Alexander G. MacInnis, Xiaodong Xie, James T. Patterson, Greg A. Kranawetter 2002-04-30
6189064 Graphics display system with unified memory architecture Alexander G. MacInnis, Xiaodong Xie, James T. Patterson, Greg A. Kranawetter 2001-02-13