LexDanaLexDanabeta
Inventor

Ramachandran Ramjee

Inventor
Bangalore, IN

Overview

55→
Patents
1997–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 55 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Wprimary
H04WWireless communication networks33%
H04LTransmission of digital information, e.g. telegraphic communication32%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use11%
G06FElectric digital data processing7%
H04BTransmission5%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%
H04QSelecting3%
H04HBroadcast communication2%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications2%
G06KGraphical data reading1%
PatentTitleYear
10,915,651Automated data transfer from mobile application silos to authorized third-party applications202110,580,164Automatic camera calibration202010,554,384Aggregation of encrypted data202010,356,719Skip-correlation based symmetric carrier sensing with multiple power levels201910,187,199Aggregation based on splayed data201910,176,336Automated data transfer from mobile application silos to authorized third-party applications20199,918,242'Dynamic channel selection in a wireless communication network'20189,730,037'Cellular data communication for mobile devices'20179,686,760'Multiple independent narrow channels in wireless networks'20179,253,720'Energy-efficient on-the-fly Wi-Fi hotspot using mobile devices'20169,100,266'SoftRouter protocol failovers'20159,083,708'Asymmetric end host redundancy elimination for networks'20158,966,270'Methods and systems for providing controlled access to the internet'20158,964,619'Network assisted power management'20158,953,432'Softrouter dynamic binding protocol'20158,843,169'Signal-aware data transfer in cellular networks'20148,837,612'Multiple independent narrow channels in wireless networks'20148,811,354'Methods and devices for associating users to base stations in third generation wireless networks using fairness considerations'20148,798,089'Wireless communications'20148,532,074'Energy-efficient on-the-fly Wi-Fi hotspot using mobile devices'20138,488,501'Network assisted power management'20138,432,787'Softrouter protocol disaggregation'20138,423,255'System for sensing road and traffic conditions'20138,411,608'Efficient and reliable multicast over a Wi-Fi network'20138,345,616'Scheduling communications in a mobile device'20138,301,081'Physical and MAC adaptation for interference mitigation with cognitive radio'20128,271,814'Migrating a client computer to a virtual machine server when the client computer is deemed to be idle'20128,243,601'Routing protocol for a network employing multi-user wireless channels'20128,230,106'Methods and apparatus for improved transmission control protocol transmission over a wireless channel exhibiting rate and delay variations'20128,149,752'Media-access-control protocol for a network employing multi-user wireless channels'20128,068,408'Softrouter protocol disaggregation'20118,042,017'Apparatus and method for practical and efficient broadcast in mobile ad hoc networks'20117,975,071'Content compression in networks'20117,944,820'Methods and devices for maximizing the throughput of TCP/IP data along wireless links'20117,778,170'Spectrum and medium access allocation for fairness'20107,715,382'Softrouter'20107,554,967'Transient tunneling for dynamic home addressing on mobile hosts'20097,352,700'Methods and devices for maximizing the throughput of TCP/IP data along wireless links'20087,340,253'IP-based distributed wireless access network architecture for CDMA networks'20087,317,686'Fair sharing of multi-access channels'20087,257,409'Centralized cell homing and load balancing in a base station controller'20077,239,618'Single phase local mobility scheme for wireless access to packet-based networks'20077,120,453'Paging of mobile hosts on an internet protocol network'20066,842,462'Wireless access of packet based networks'20056,763,007'Two phase local mobility scheme for wireless access to packet based networks'20046,654,359'Wireless access to packet-based networks'20036,496,505'Packet tunneling optimization to wireless devices accessing packet-based wired networks'20026,434,134'Dynamic address assignment for wireless devices accessing packet-based wired networks'20026,298,039'High availability distributed call processing method and apparatus'20016,198,941'Method of operating a portable communication device'20016,192,250'Cluster mobile switching center'20016,085,086'Network-based migrating user agent for personal communication services'20006,081,715'Method and system for distributed control in wireless cellular and personal communication systems'20005,884,174'Call admission control for wireless networks'19995,659,544'Method and system for distributed control in wireless cellular and personal communication systems'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2008Patents assigned to LUCENT TECHNOLOGIES INC (18)· patent assignee history
1997–2009Based in Matawan, NJ, US· patent location history
2007–2015Based in Summit, NJ, US· patent location history
2008–2012Based in Edison, NJ, US· patent location history
2010–2017Patents assigned to MICROSOFT CORP (16)· patent assignee history
2010–2020Based in Bangalore, IN· patent location history
2011–2017Patents assigned to RAMJEE RAMACHANDRAN (21)· patent assignee history
2011–2015Patents assigned to ALCATEL LUCENT (10)· patent assignee history
2015–2021Patents assigned to MICROSOFT TECHNOLOGY LICENSING LLC (10)· patent assignee history
2021Based in Bengaluru, IN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RAMJEE RAMACHANDRANself212011–2017
LUCENT TECHNOLOGIES INC181997–2008
MICROSOFT CORP162010–2017
ALCATEL LUCENT102011–2015
MICROSOFT TECHNOLOGY LICENSING LLC102015–2021
Locations
LocationPatentsSpan
Bangalore, IN242010–2020
Matawan, New Jersey, US141997–2009
Summit, New Jersey, US112007–2015
Edison, New Jersey, US32008–2012
Bengaluru, IN12021