Inventor

David Castellanos Zamora

Inventor
Madrid, ES

Overview

27→
Patents
2012–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 27 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%
H04WWireless communication networks42%
H04MTelephonic communication10%
G06FElectric digital data processing4%
PatentTitleYear
10,880,726Methods and apparatuses for handling slice selection data for a user202010,848,497Methods and apparatuses for handling service profile data for a user202010,848,967Security anchor function in 5G systems202010,798,753Methods and devices for supporting network initiated PDU session establishment between an user equipment, UE, and a data network name, DNN, in a telecommunication network202010,674,362Notifying the HSS of failure of connectivity request for a packet data session202010,652,942Method and device for network initiated packet data unit, PDU, session establishment in a telecommunication network202010,609,556Authentication for next generation systems202010,425,817Subscription concealed identifier201910,390,228Notifying the HSS of failure of connectivity request for a packet data session201910,341,846Controlling implementation of services in a mobile telecommunications network201910,255,339Data change controller201910,063,597Loss of signalling bearer transport20189,832,234IMS inbound roamer and short number dialing20179,635,062'Loss of signalling bearer transport'20179,544,391'Enhanced media control'20179,413,561'Routing terminating calls'20168,935,763'System and method of user authentication in wireless communication networks'20158,925,038'Pre-authorization of bearer set-up'20148,856,326'Enhanced media control'20148,843,992'Method, apparatuses and computer program for dynamically configuring a proxy call session control function of the IP multimedia subsystem from a policy control rules server'20148,782,743'Methods and apparatus for use in a generic bootstrapping architecture'20148,750,506'Methods, nodes, system, computer programs and computer program products for secure user subscription or registration'20148,640,186'Pre-authorization of bearer set-up'20148,572,258'Control of quality-of-service preconditions in an IP multimedia subsystem'20138,572,708'Method and arrangement for integration of different authentication infrastructures'20138,442,522'Detection and report of limited policy and charging control capabilities'20138,184,623'Method and arrangement for handling profiles in a multimedia service network'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2020Patents assigned to ERICSSON TELEFON AB L M (23)· patent assignee history
2012–2017Patents assigned to CASTELLANOS ZAMORA DAVID (14)· patent assignee history
2012–2015Patents assigned to BARRIGA LUIS (3)· patent assignee history
2012–2020Based in Madrid, ES· patent location history
2013–2017Patents assigned to FERNANDEZ ALONSO SUSANA (6)· patent assignee history
2014–2016Based in Stockholm, SE· patent location history
2016–2017Patents assigned to ERICSSON TELEFON AB L M (publ) (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ERICSSON TELEFON AB L M232012–2020
CASTELLANOS ZAMORA DAVIDself142012–2017
FERNANDEZ ALONSO SUSANA62013–2017
ERICSSON TELEFON AB L M (publ)42016–2017
BARRIGA LUIS32012–2015
Locations
LocationPatentsSpan
Madrid, ES252012–2020
Stockholm, SE22014–2016