Inventor
Richard L. Khan
Inventor
San Ramon, CA, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication44%
H04MTelephonic communication31%
H04WWireless communication networks22%
G06FElectric digital data processing3%
PatentTitleYear
9,578,127'Method and apparatus for call processing for SIP and ISUP interworking'20179,432,467'Systems and methods for location management and emergency support for a voice over internet protocol device'20169,380,440'Method to implement E911 services in IMS (IP multimedia subsystem)'20169,264,290'System and method for location management and emergency support for a voice over internet protocol device'20169,231,837'Methods and apparatus for collecting, analyzing, and presenting data in a communication network'20169,019,870'Systems and methods for location management and emergency support for a voice over internet protocol device'20158,938,209'Method to implement E911 services in IMS (IP multimedia subsystem)'20158,867,526'Method and apparatus for providing mobility for a voice over internet protocol service'20148,798,095'Method and apparatus for call processing for SIP and ISUP interworking'20148,620,257'Systems and methods for location management and emergency support for a voice over internet protocol device'20138,606,901'Facilitating deployment of new application services in a next generation network'20138,576,833'Fault tolerant voice over Internet protocol (VoIP) systems and methods to operate the same'20138,531,995'Systems and methods for location management and emergency support for a voice over internet protocol device'20138,396,445'Method to implement E911 services in IMS (IP Multimedia Subsystem)'20138,189,568'System and method for location management and emergency support for a voice over internet protocol device'20127,639,792'System and method for location management and emergency support for a voice over internet protocol device'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2017Based in San Ramon, CA, US· patent location history
2012–2017Patents assigned to AT & T IP I LP (15)· patent assignee history
2012–2016Patents assigned to KHAN RICHARD L (8)· patent assignee history
2012–2016Patents assigned to DAILEY ROBERT F (6)· patent assignee history
2012–2016Patents assigned to QIU CHAOXIN (6)· patent assignee history
2012–2016Patents assigned to ALLEN KEITH JOSEPH (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AT & T IP I LP | 15 | 2012–2017 |
| KHAN RICHARD Lself | 8 | 2012–2016 |
| DAILEY ROBERT F | 6 | 2012–2016 |
| QIU CHAOXIN | 6 | 2012–2016 |
| ALLEN KEITH JOSEPH | 2 | 2012–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Ramon, California, US | 16 | 2009–2017 |