Inventor
Ramachandran Subramanian
Inventor
San Diego, CA, US
Overview
Patents· 38 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks52%
H04LTransmission of digital information, e.g. telegraphic communication28%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes7%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use7%
G01MTesting static or dynamic balance of machines or structures2%
G01NInvestigating or analysing materials by determining their chemical or physical properties2%
G06FElectric digital data processing2%
H04MTelephonic communication2%
PatentTitleYear
10,743,251Support for multiple access modes for home base stations202010,624,138Method and apparatus for managing packet data network connectivity202010,609,613UE network mobility during IMS202010,356,714Methods and apparatus for negotiating network sip resources based on device capabilities201910,292,133Techniques and apparatuses for co-operative traffic management201910,212,747Systems and methods for priority based session and mobility management201910,028,249Techniques and apparatuses for co-operative traffic management using combined paging cycle for user equipments20189,998,939Transmissions for wearable devices20189,756,452'Presence and on-device proxying'20179,743,228'Transport of LCS-related messages for LTE access'20179,733,145'Apparatus and method of measuring components in a manufacturing process'20179,420,616'Methods to enhance videotelephony to achieve local QoS'20169,386,607'Method and apparatus for managing packet data network connectivity'20169,380,609'Method and apparatus for processing emergency calls'20169,344,438'Secure node identifier assignment in a distributed hash table for peer-to-peer networks'20169,288,747'Switching wireless network selection modes in conjunction with selection of a wireless cell set'20168,995,318'Network registration procedures'20158,965,415'Short packet data service'20158,924,535'Maintaining closed subscriber group information for access control'20148,880,067'Correlating registrations originating from a device'20148,873,381'Bearer quality of service selection'20148,855,636'Methods and apparatus for system selection in a multimode wireless device'20148,787,362'Fall back using mobile device assisted terminating access domain selection'20148,767,545'Radio access network control of multimedia application data rates'20148,688,110'Apparatus and method for limiting searches for a home PLMN according to its proximity'20148,619,733'Selection of wireless network in conjunction with selection of a wireless cell set'20138,611,306'Context fetching after inter-system handover'20138,606,967'Methods and apparatus for proxying of devices and services using overlay networks'20138,571,550'Managing access control to closed subscriber groups'20138,560,380'Cycle planning tool with event conflict resolution for territory management'20138,554,224'Cellular network energy saving'20138,315,190'Method and apparatus for interworking between push-to-talk over cellular (PoC) systems and instant messaging (IM) systems'20128,291,012'Address updating scheme for wireless communication'20128,200,185'Method and apparatus for supporting emergency calls (eCalls)'20128,032,402'Itinerary search tool for territory management'20118,031,645'Archival of session data exchanged with a wireless communication network'20118,027,858'Cycle planning tool for territory management'20118,010,143'Method and apparatus for implicit floor control in push-to-talk over cellular systems'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2020Patents assigned to QUALCOMM INC (33)· patent assignee history
2011–2020Based in San Diego, CA, US· patent location history
2011–2013Based in Norwalk, CT, US· patent location history
2012–2020Patents assigned to SUBRAMANIAN RAMACHANDRAN (23)· patent assignee history
2012–2015Patents assigned to ATARIUS ROOZBEH (4)· patent assignee history
2013–2020Patents assigned to SONG OSOK (10)· patent assignee history
2013–2020Patents assigned to HORN GAVIN B (5)· patent assignee history
2017Based in Kitchener, CA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| QUALCOMM INC | 33 | 2011–2020 |
| SUBRAMANIAN RAMACHANDRANself | 23 | 2012–2020 |
| SONG OSOK | 10 | 2013–2020 |
| HORN GAVIN B | 5 | 2013–2020 |
| ATARIUS ROOZBEH | 4 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Diego, California, US | 34 | 2011–2020 |
| Norwalk, CT, US | 3 | 2011–2013 |
| Kitchener, CA | 1 | 2017 |