1. Immersion Corporation (257 from 1,148 patents)

2. Immerson Corporation (3 from 5 patents)

3. Other (2 from 831,952 patents)

1. 11287889 - Systems and methods for multi-level closed loop control of haptic effects

2. 11272283 - Rendering haptics on headphones with non-audio data

3. 11237633 - Systems and methods for haptically-enabled neural interfaces

4. 11175739 - Method and device for performing actuator control based on an actuator model

5. 11137828 - Haptic sensation recording and playback

6. 10936068 - Reference signal variation for generating crisp haptic effects

7. 10775895 - Systems and methods for multi-pressure interaction on touch-sensitive surfaces

8. 10747321 - Systems and methods for differential optical position sensing for haptic actuation

9. 10747322 - Systems and methods for providing features in a friction display

10. 10741189 - Low-frequency effects haptic conversion system

11. 10678364 - System for providing sensor and actuation functionality for touch input device

12. 10665067 - Systems and methods for integrating haptics overlay in augmented reality

13. 10656718 - Device and method for outputting a series of haptic effects defined in a timeline effect definition

14. 10649532 - Systems and methods for multi-rate control of haptic effects with sensor fusion

15. 10620707 - Systems and methods for interfaces featuring surface-based haptic effects