For the Inventor, By the Inventor

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Lexington, MA, United States of America

Ibasis, Inc.

USPTO Granted Patents = 33

EPO Patents = 14

Trademarks = 9

Forward Citations = 254

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17 inventors (with patents filed for the assignee):

Richard H Xu (13 out of 13 patents)

Hwan Jang Tang (11 out of 12 patents)

Vitaliy G Yurchenko (8 out of 8 patents)

4. Ajay Joseph (8 out of 9 patents)

5. Manpreet Singh (5 out of 5 patents)

6. Shuping Zhang (4 out of 4 patents)

7. Lizhong Zhang (4 out of 5 patents)

8. Paul Andrew Skelly (4 out of 8 patents)

9. Richard M Pellegrini (2 out of 2 patents)

10. Hwanjang Tang (2 out of 2 patents)

11. Sander De Kievit (1 out of 18 patents)

12. Ewout Leonard Pronk (1 out of 2 patents)

13. Yixin Fan (1 out of 1 patent)

14. James W Lotti (1 out of 1 patent)

15. Mauro Mattos Silva Araujo (1 out of 1 patent)

33 patents: Sort by Forward Citations

1. 11438310 - IPX signaling security (2022-09-06),

2. 11284459 - Data access security (2022-03-22),

3. 10979890 - Policy control framework (2021-04-13),

4. 10979462 - Identifying voice over LTE users (2021-04-13),

5. 10917782 - Internet of things services architecture (2021-02-09),

6. 10911932 - Method and system for hub breakout roaming (2021-02-02),

7. 10820190 - eSIM profile switching without SMS (2020-10-27),

8. 10524116 - Internet of things services architecture (2019-12-31),

9. 10470031 - Voice over IMS roaming gateway (2019-11-05),

10. 10291661 - Method and system for call routing (2019-05-14),

11. 10263903 - Method and apparatus for managing communication flow in an inter-network system (2019-04-16),

12. 10057429 - Pre-paid voice calling using sponsored data roaming (2018-08-21),

13. 9961209 - Codec selection optimization (2018-05-01),

14. 9942780 - Automated action based on roaming satisfaction indicator (2018-04-10),

15. 9788188 - Method and system for hub breakout roaming (2017-10-10),

iBasis, Inc. is a leading international voice and mobile data service provider for telcos and other communication providers. They enable seamless and efficient connectivity worldwide through their advanced IP-based network infrastructure. With a global presence and extensive partnerships, iBasis delivers high-quality voice, messaging, and mobile data solutions to meet the evolving needs of businesses and consumers.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

33 Patents

#29 in Lexington, MA

#589 in Massachusetts

#9,954 in US

#19,571 in the World

Lexington, MA, United States of America

Ibasis, Inc.

Forward Citations = 254

17 inventors:

Richard H Xu (13 out of 13 patents)

Hwan Jang Tang (11 out of 12 patents)

Vitaliy G Yurchenko (8 out of 8 patents)

4. Ajay Joseph (8 out of 9 patents)

5. Manpreet Singh (5 out of 5 patents)

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