Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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David M. Birnbaum

IMImmersion: 137 patents #3 of 258Top 2%
Oakland, CA: #7 of 4,380 inventorsTop 1%
California: #1,165 of 386,348 inventorsTop 1%
Overall (All Time): #7,384 of 4,157,543Top 1%
138 Patents All Time

Issued Patents All Time

Showing 126–138 of 138 patents

Patent #TitleCo-InventorsDate
8624864 System and method for display of multiple data channels on a single haptic display Chris Ullrich, Jason Short, Ryan Devenish 2014-01-07
8587417 Systems and methods for mapping message contents to virtual physical properties for vibrotactile messaging Chris Ullrich, Danny A. Grant 2013-11-19
8570296 System and method for display of multiple data channels on a single haptic display Chris Ullrich, Jason Short, Ryan Devenish 2013-10-29
8542105 Handheld computer interface with haptic feedback Danny A. Grant, Erin B. Ramsay, Hendrik Bartel, Juan Manuel Cruz-Hernandez, Robert W. Heubel 2013-09-24
8531485 Systems and methods for compensating for visual distortion caused by surface features on a display Danny A. Grant 2013-09-10
8506369 Programmable game-based haptic enabled gun controller Danny A. Grant, Erin B. Ramsay, Ali Modarres, Juan Manuel Cruz-Hernandez, Robert W. Heubel +1 more 2013-08-13
8502651 Interactive touch screen gaming metaphors with haptic feedback 2013-08-06
8493354 Interactivity model for shared feedback on mobile devices Chris Ullrich, Jason Short, Ryan Devenish 2013-07-23
8493177 System and method of haptically communicating vehicle information from a vehicle to a keyless entry device Natasha Margaret Minenko Flaherty 2013-07-23
8469806 System and method for providing complex haptic stimulation during input of control gestures, and relating to control of virtual equipment Danny A. Grant, Robert W. Heubel, Erin B. Ramsay 2013-06-25
8462125 Systems and methods for shifting haptic feedback function between passive and active modes Chris Ullrich 2013-06-11
8352643 Haptically enhanced interactivity with interactive content Danny A. Grant, Robert W. Heubel 2013-01-08
8279193 Interactivity model for shared feedback on mobile devices Chris Ullrich, Jason Short, Ryan Devenish 2012-10-02