Inventor

Sajal Kumar Das

Inventor
Bangalore, IN

Overview

35→
Patents
2001–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 35 as inventor

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

H04Wprimary
H04WWireless communication networks31%
H04LTransmission of digital information, e.g. telegraphic communication25%
H04BTransmission10%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use9%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications5%
B21BRolling of metal3%
B22DCasting of metals3%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys3%
A61KPreparations for medical, dental or toiletry purposes1%
C07DHeterocyclic compounds1%
PatentTitleYear
10,975,461Casting recycled aluminum scrap202110,913,107Metal casting and rolling line202110,285,198Maximizing channel capacity for common downlink channels201910,256,856Radio receiver, method of detecting an obtruding signal in the radio receiver, and computer program201910,064,135Mobile station, core network node, base station subsystem, and methods for implementing longer paging cycles in a cellular network20189,949,234Allocation for paging reception20189,906,324'Method and apparatus for selective communication signal deciphering'20189,860,895'Mobile station, network node, and methods for assigning resource blocks to the mobile station'20189,848,373Method and terminal for GSM cell searches20179,844,074'Maximizing channel capacity for common downlink channels'20179,768,946'Frequency correction and time slot boundary detection'20179,706,494'Mobile station, core network node, base station subsystem, and methods for implementing longer paging cycles in a cellular network'20179,699,828'Optimized synchronization procedure for prolonged periods of sleep'20179,398,634'Mobile station, core network node, base station subsystem, and methods for implementing longer paging cycles in a cellular network'20169,351,251'Mobile station, core network node, base station subsystem, and methods for implementing longer paging cycles in a cellular network'20169,301,302'Downlink multicarrier mobile communication network configuration'20169,277,521'Synchronization of a radio device'20169,264,123'Antenna activity detection in multi-antenna communication'20169,220,794'Two-photon fluorescent probes for imaging of total sulfide in live cell and tissue, and quantitative estimation of total sulfide concentration using the same'20159,167,522'Fast detection of discontinuous transmission'20159,118,480'Frame quality estimation during viterbi decoding'20159,118,377'Method for interference and carrier power estimation and its application to automatic gain control and signal-to-interference-and-noise-ratio computation'20159,088,942'Frequency offset estimation for early detection/decoding'20159,065,586'Carrier detection and parallel GSM cell search in multimode terminals'20158,989,145'Methods and systems for a generic multi-radio access technology'20158,908,808'Systems and methods for demodulating a signal'20148,693,583'Method and apparatus for decoding a repeated message'20148,682,251'Apparatus and methods for estimation of a subchannel power imbalance ratio (SCPIR)'20148,671,321'Method and apparatus for retransmission processing in a communication receiver'20147,904,086'Method and computer program for handoff of mobile devices between wireless systems'20117,873,727'System and method for evaluating streaming multimedia quality'20117,466,676'Method and apparatus for multi-channel MAC protocol using multi-tone synchronous collision resolution'20086,992,994'Methods and systems for a generalized mobility solution using a dynamic tunneling agent'20066,992,995'Telecommunication enhanced mobile IP architecture for intra-domain mobility'20066,330,451'Selectively delaying data communications in a wireless communication system to provide voice communications capacity'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2011Based in Denton, TX, US· patent location history
2006–2011Patents assigned to UNIV TEXAS (4)· patent assignee history
2008–2019Based in Bangalore, IN· patent location history
2014–2019Patents assigned to ERICSSON TELEFON AB L M (22)· patent assignee history
2014–2015Patents assigned to DAS SAJAL KUMAR (5)· patent assignee history
2014–2015Based in Kolkata, IN· patent location history
2015–2016Patents assigned to ST ERICSSON SA (3)· patent assignee history
2015Based in Seoul, KR· patent location history
2017Patents assigned to ERICSSON TELEFON AB L M (publ) (5)· patent assignee history
2021Based in Acworth, GA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ERICSSON TELEFON AB L M222014–2019
DAS SAJAL KUMARself52014–2015
ERICSSON TELEFON AB L M (publ)52017
UNIV TEXAS42006–2011
ST ERICSSON SA32015–2016
Locations
LocationPatentsSpan
Bangalore, IN252008–2019
Denton, Texas, US52001–2011
Acworth, Georgia, US22021
Kolkata, IN22014–2015
Seoul, KR12015