Growing community of inventors

Gaithersburg, MD, United States of America

Dean C Chang

Average Co-Inventor Count = 2.97

ph-index = 32

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 3,815

Dean C ChangLouis B Rosenberg (33 patents)Dean C ChangAdam C Braun (20 patents)Dean C ChangJonathan L Beamer (20 patents)Dean C ChangJeffrey R Mallett (13 patents)Dean C ChangEvan F Wies (7 patents)Dean C ChangDanny A Grant (4 patents)Dean C ChangErik James Shahoian (4 patents)Dean C ChangChuang Li (4 patents)Dean C ChangSian W Tan (4 patents)Dean C ChangShoichi Endo (4 patents)Dean C ChangChuong Vu (4 patents)Dean C ChangKenneth M Martin (3 patents)Dean C ChangMichael P Ruf (3 patents)Dean C ChangBo Xiong (3 patents)Dean C ChangJeffrey Eid (3 patents)Dean C ChangGin-Pao Lu (2 patents)Dean C ChangJeffrey Eld (1 patent)Dean C ChangCarlo Sarte (1 patent)Dean C ChangMike Ehlenberger (1 patent)Dean C ChangWei Li (1 patent)Dean C ChangLouis B Rosenburg (1 patent)Dean C ChangJeffrey Mallett (1 patent)Dean C ChangDean C Chang (57 patents)Louis B RosenbergLouis B Rosenberg (262 patents)Adam C BraunAdam C Braun (79 patents)Jonathan L BeamerJonathan L Beamer (20 patents)Jeffrey R MallettJeffrey R Mallett (13 patents)Evan F WiesEvan F Wies (7 patents)Danny A GrantDanny A Grant (275 patents)Erik James ShahoianErik James Shahoian (80 patents)Chuang LiChuang Li (12 patents)Sian W TanSian W Tan (10 patents)Shoichi EndoShoichi Endo (6 patents)Chuong VuChuong Vu (4 patents)Kenneth M MartinKenneth M Martin (73 patents)Michael P RufMichael P Ruf (23 patents)Bo XiongBo Xiong (9 patents)Jeffrey EidJeffrey Eid (4 patents)Gin-Pao LuGin-Pao Lu (2 patents)Jeffrey EldJeffrey Eld (1 patent)Carlo SarteCarlo Sarte (1 patent)Mike EhlenbergerMike Ehlenberger (1 patent)Wei LiWei Li (1 patent)Louis B RosenburgLouis B Rosenburg (1 patent)Jeffrey MallettJeffrey Mallett (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Immersion Corporation (48 from 1,148 patents)

2. Actiontec Electronics, Inc. (4 from 19 patents)

3. Screenbeam Inc. (4 from 4 patents)

4. Other (1 from 832,843 patents)


57 patents:

1. 12177275 - Systems and methods for video conferencing and collaboration

2. 11483367 - Methods and systems for reducing latency on a collaborative platform

3. 11336705 - Displaying content from multiple devices

4. 10560499 - Displaying content from multiple devices

5. 10234944 - Force feedback system including multi-tasking graphical host environment

6. 9778745 - Force feedback system including multi-tasking graphical host environment and interface device

7. 9740287 - Force feedback system including multi-tasking graphical host environment and interface device

8. 9426078 - Systems and methods for dynamic quality of service

9. 9323332 - Force feedback system including multi-tasking graphical host environment

10. RE45884 - Chat interface with haptic feedback functionality

11. 8928581 - Force feedback system including multi-tasking graphical host environment

12. 8838671 - Defining force sensations associated with graphical images

13. 8830161 - Methods and systems for providing a virtual touch haptic effect to handheld communication devices

14. 8803795 - Haptic communication devices

15. 8737217 - Systems and methods for dynamic quality of service

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12/23/2025
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