Growing community of inventors

Arlington, VA, United States of America

Chang Ellison

Average Co-Inventor Count = 5.06

ph-index = 3

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 = 48

Chang EllisonDaniel A Boyd (23 patents)Chang EllisonJason Lim (23 patents)Chang EllisonKelli L Biegger (16 patents)Chang EllisonBrandon P Gutierrez (15 patents)Chang EllisonWilliam Washington (14 patents)Chang EllisonAhmer Ali Khan (1 patent)Chang EllisonArun Vemury (1 patent)Chang EllisonHo Cheung Chung (1 patent)Chang EllisonFranck Farian Rakotomalala (1 patent)Chang EllisonIrene M Graff (1 patent)Chang EllisonMartijn Theo Haring (1 patent)Chang EllisonKhailee Marischuk (1 patent)Chang EllisonNathan Grebasch (1 patent)Chang EllisonMichelle Wilson (1 patent)Chang EllisonChang Ellison (23 patents)Daniel A BoydDaniel A Boyd (31 patents)Jason LimJason Lim (26 patents)Kelli L BieggerKelli L Biegger (21 patents)Brandon P GutierrezBrandon P Gutierrez (15 patents)William WashingtonWilliam Washington (14 patents)Ahmer Ali KhanAhmer Ali Khan (58 patents)Arun VemuryArun Vemury (29 patents)Ho Cheung ChungHo Cheung Chung (13 patents)Franck Farian RakotomalalaFranck Farian Rakotomalala (8 patents)Irene M GraffIrene M Graff (8 patents)Martijn Theo HaringMartijn Theo Haring (5 patents)Khailee MarischukKhailee Marischuk (1 patent)Nathan GrebaschNathan Grebasch (1 patent)Michelle WilsonMichelle Wilson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Government of the United States of America, As Represented by the Secretary of Homeland Security (22 from 246 patents)

2. Apple Inc. (1 from 40,951 patents)


23 patents:

1. 12488354 - Vetting system and method using composite trust value of multiple confidence levels based on linked mobile identification credentials

2. 12444261 - Voter identification using mobile identification credential

3. 12342173 - System and method for checkpoint access using mobile identification credential for international travel

4. 12081991 - System and method for user access using mobile identification credential

5. 11941100 - Selective access and verification of user information

6. 11863994 - System and network for access control using mobile identification credential for sign-on authentication

7. 11800352 - Remote retrieval of information from vehicles

8. 11716630 - Biometric verification for access control using mobile identification credential

9. 11711699 - Permission-based system and network for access control using mobile identification credential

10. 11675886 - Verified hosted information in online galleries

11. 11601816 - Permission-based system and network for access control using mobile identification credential including mobile passport

12. 11599872 - System and network for access control to real property using mobile identification credential

13. 11580559 - Official vetting using composite trust value of multiple confidence levels based on linked mobile identification credentials

14. 11564088 - Vehicular communication of emergency information

15. 11521720 - User medical record transport using mobile identification credential

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as of
12/26/2025
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