Inventor
Sundar Raman
Inventor
Fremont, CA, US
Overview
Patents· 41 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Sprimary
G01SRadio direction-finding32%
H04WWireless communication networks32%
H04BTransmission16%
H04LTransmission of digital information, e.g. telegraphic communication7%
G01CMeasuring distances, levels or bearings3%
G06FElectric digital data processing3%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%
G09BEducational or demonstration appliances3%
G06TImage data processing or generation, in general1%
H04MTelephonic communication1%
PatentTitleYear
10,255,574Systems and methods for business impact analysis and disaster recovery20199,983,291Methods, apparatuses, and devices for mobile device position estimation using virtual access points20189,900,918'Communications between a mobile device and an access point device'20189,869,770'Control and features for satellite positioning system receivers'20189,609,488'Managing broadcast services'20179,588,216'Method and apparatus for delivering assistance data from a server to a device identifying virtual access points'20179,547,068'Methods, systems and devices for providing location based services in a venue'20179,497,641'Cyclic shift delay detection using a classifier'20169,442,179'Tiered positioning assistance data for mobile devices within an indoor environment'20169,374,669'Adaptive assistance data for tiered service and efficiency in indoor positioning'20169,307,432'Processing delay estimate based on crowdsourcing data'20169,241,353'Communications between a mobile device and an access point device'20169,167,390'Adaptive assistance data for tiered service and efficiency in indoor positioning'20159,155,005'Method and apparatus to reduce signaling spikes when moving between WLAN and WWAN coverage areas'20159,100,780'Method and apparatus for managing positioning assistance data'20159,078,232'Methods and apparatuses for characterizing and affecting mobile device location accuracy and/or uncertainty'20158,983,774'Intelligent map combination for venues enabling indoor positioning'20158,983,492'Methods and apparatuses for affecting a motion model within a mobile device'20158,947,300'Control and features for satellite positioning system receivers'20158,891,714'System and method for synchronizing digital bits in a data stream'20148,838,376'Mashup of AP location and map information for WiFi based indoor positioning'20148,736,490'Receive diversity in GNSS receivers'20148,494,094'Demodulation of data collected prior to bit edge detection'20138,433,991'Global Navigation Satellite System (GLONASS) data bit edge detection'20138,416,863'System and method for detecting multipath effects in a GPS receiver'20138,396,076'System and method for roaming between wireless networks'20138,130,145'Receive diversity in GNSS receivers'20128,121,238'System and method for synchronizing digital bits in a data stream'20128,107,496'System and method for roaming between wireless networks'20128,013,787'Control and features for satellite positioning system receivers'20117,984,110'Method and system for load balancing'20117,733,904'System and method for roaming between wireless networks'20107,680,178'Cross-correlation detection and elimination in a receiver'20107,672,682'Managing page cycle periods of access terminals'20107,623,067'Fast search GPS receiver'20097,580,489'Varying early-late spacing in a delay locked loop'20097,369,533'System, method and mobile devices transmitting request codes during link establishment in data networks'20086,978,128'System and method to allow simple IP mobile nodes to operate seamlessly in a mobile IP network with true roaming capabilities'20056,970,499'Varying early-late spacing in a delay locked loop'20056,940,836'Method and apparatus for indicating quality of service to a radio access network'20056,829,473'Roaming and hand-off support for prepaid billing for wireless data networks'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2008Patents assigned to UTSTARCOM INC (3)· patent assignee history
2004–2013Based in Arlington Heights, IL, US· patent location history
2005–2010Patents assigned to 3COM CORP (2)· patent assignee history
2005–2018Based in Fremont, CA, US· patent location history
2012–2018Patents assigned to QUALCOMM INC (22)· patent assignee history
2012–2015Patents assigned to RAMAN SUNDAR (11)· patent assignee history
2012–2015Patents assigned to CSR TECHNOLOGY INC (4)· patent assignee history
2013–2017Based in San Diego, CA, US· patent location history
2015–2016Based in Freemont, CA, US· patent location history
2019Based in Chennai, IN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| QUALCOMM INC | 22 | 2012–2018 |
| RAMAN SUNDARself | 11 | 2012–2015 |
| CSR TECHNOLOGY INC | 4 | 2012–2015 |
| UTSTARCOM INC | 3 | 2004–2008 |
| 3COM CORP | 2 | 2005–2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fremont, California, US | 24 | 2005–2018 |
| Arlington Heights, Illinois, US | 7 | 2004–2013 |
| San Diego, California, US | 4 | 2013–2017 |
| Freemont, California, US | 2 | 2015–2016 |
| Chennai, IN | 1 | 2019 |