Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
WF

Walter Filbrich — 9 Patents

DIDirectv: 4 patents #186 of 679Top 30%
Samsung: 3 patents #30,683 of 75,807Top 45%
Xerox: 1 patents #5,237 of 8,622Top 65%
Manhattan Beach, CA: #121 of 861 inventorsTop 15%
California: #66,801 of 386,348 inventorsTop 20%
Overall (All Time): #575,042 of 4,157,543Top 15%
9 Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9065733 Method and system for registering a client device in a multi-room digital video recording system Raynold M. Kahn, Steven Kasakitis, Christopher R. Roy, Erin K. Nelson, Christopher J. Cabanne +6 more 2015-06-23
8521852 Method and system for registering a client device in a multi-room digital video recording system Raynold M. Kahn, Steven Kasakitis, Christopher R. Roy, Erin K. Nelson, Christopher J. Cabanne +6 more 2013-08-27
8521810 Method and system for controlling a display buffer in a content distribution system Diem V. Nguyen, Titus Winters, Michel Dalal, Jonathan Kochel 2013-08-27
8458758 Method and system for controlling closed captioning at a content distribution system Diem V. Nguyen, Titus Winters, Jonathan Kochel 2013-06-04
8447840 Method and system for transferring control of a user interface of a content distribution system Noreen Fong, Samuel V. Irvine, Gregory Vagnati 2013-05-21
8233172 System and method for notification of multi-function peripheral receive job Brian Podl 2012-07-31
8102557 System and method for disabling access to non-volatile storage in a multi-function peripheral Dee Chou 2012-01-24
7720397 Systems and methods for monitoring toner usage Brent W. Richtsmeier 2010-05-18
6810218 Estimation of toner usage Kaiser H. Wong, Lawrence P. Chen, Philip G. Hardjadinata 2004-10-26