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

Stephen D. Rank

IMImmersion: 59 patents #13 of 258Top 6%
San Jose, CA: #674 of 32,062 inventorsTop 3%
California: #5,623 of 386,348 inventorsTop 2%
Overall (All Time): #38,051 of 4,157,543Top 1%
61 Patents All Time

Issued Patents All Time

Showing 51–61 of 61 patents

Patent #TitleCo-InventorsDate
9019087 Synchronization of haptic effect data in a media stream Munibe M. Bakircioglu, Christopher J. Ullrich 2015-04-28
8761915 System and method for automatically producing haptic events from a digital audio file Christopher J. Ullrich, Munibe M. Bakircioglu 2014-06-24
8700791 Synchronization of haptic effect data in a media transport stream Robert Lacroix, Andrianaivo Rabemiarisoa, Henrique D. Da Costa, Herve Thu Timone, Christopher J. Ullrich 2014-04-15
8686941 Haptic feedback sensations based on audio output from computer devices 2014-04-01
8688251 System and method for automatically producing haptic events from a digital audio signal Christopher J. Ullrich, Danny A. Grant, Munibe M. Bakircioglu 2014-04-01
8621348 Customizing haptic effects on an end user device Erin B. Ramsay, Robert W. Heubel, Jason D. Fleming 2013-12-31
8441437 Haptic feedback sensations based on audio output from computer devices 2013-05-14
8378964 System and method for automatically producing haptic events from a digital audio signal Christopher J. Ullrich 2013-02-19
8000825 System and method for automatically producing haptic events from a digital audio file Christopher J. Ullrich, Munibe M. Bakircioglu 2011-08-16
7979146 System and method for automatically producing haptic events from a digital audio signal Christopher J. Ullrich, Danny A. Grant, Munibe M. Bakircioglu 2011-07-12
7623114 Haptic feedback sensations based on audio output from computer devices 2009-11-24