LexDanaLexDanabeta
Inventor

Fredrik Lindholm

Inventor
Stockholm, SE

Overview

91→
Patents
2010–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 91 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 communication46%
H04WWireless communication networks44%
H04MTelephonic communication7%
G06FElectric digital data processing2%
H04NPictorial communication, e.g. television1%
PatentTitleYear
11,032,688IMS emergency calls for roaming UEs202110,827,392Handover delay optimization202010,716,033Session transfer in a communication network202010,523,720P-CSCF recovery and reregistration201910,326,605Policy control in session initiation protocol forking201910,123,085Synchronised social TV201810,021,038Sharing resource reservation201810,009,747Emergency contact notification in IP multimedia subsystem (IMS)20189,924,414'Session transfer from a circuit switched network to a packet switched network'20189,900,347'Handling trust in an IP multimedia subsystem communication network'20189,900,806'Handling call transfer in a communication network'20189,888,409'Session transfer in a communication network'20189,882,943'Method of access provision'20189,867,090'Access transfer for a DRVCC mobile terminal'20189,866,672'Method and apparatus for assisted emergency calls'20189,854,508Downloadable ISIM20179,813,949'Technique for terminating call set up in a CSFB situation'20179,749,318'Key management in a communication network'20179,717,043'Regulation by MSC server when using SGs/Gs'20179,717,023'Methods and devices for improving session continuity'20179,706,446'Handover of emergency call anchored in IMS to a circuit switched access network'20179,674,750'Handling of access capability information in a mobile network'20179,639,440'Authentication in a data layered architecture network'20179,628,271'Key management for secure communication'20179,596,640'Method of routing a session from a calling party in a serving communication network of the calling party to a called party'20179,560,509'Emergency signalling in an IP multimedia subsystem network'20179,560,084'Reallocation of serving proxy function in IMS'20179,509,547'Selection of service domain in IMS centralised services'20169,503,890'Method and apparatus for delivering keying information'20169,491,668'Methods of and nodes for informing a control node in a serving communication network of address information about a session anchor node in the serving communication network'20169,467,907'Handover of user-equipment (UE) undetected emergency calls'20169,456,390'Method and apparatuses for maintaining service continuity to a centralization and continuity application server'20169,456,400'Best effort call routing preference setting'20169,432,897'Handling of access capability information in a mobile network'20169,413,561'Routing terminating calls'20169,374,761'Routing terminating call to user equipment via control nodes'20169,374,763'Gating control in a telecommunication system'20169,344,412'Security key management in IMS-based multimedia broadcast and multicast services (MBMS)'20169,338,625'Geographically redundant and multiple EATF nodes'20169,332,467'SRVCC handover of calls between access networks with efficient media gateway selection'20169,294,964'Handover delay optimization'20169,294,993'Handling of access capability information in a mobile network'20169,294,618'Call-back to a UE that has made an emergency call via a visited IMS network'20169,264,946'Homogeneous circuit switched voice support indication in a mobile network'20169,258,700'Systems and methods for utilizing IMS data security mechanisms in a circuit switched network'20169,178,696'Key management for secure communication'20159,173,145'Handling call transfer in a communication network'20159,144,050'Methods and apparatus for use in a communications network'20159,106,664'Method and apparatuses for maintaining service continuity to a centralization and continuity application server'20159,078,172'Session transfer in a communication network'20159,055,546'Handling a registration timer to provide service continuity in IMS'20159,026,082'Terminal identifiers in a communications network'20158,996,673'Emergency signalling in an IP multimedia subsystem network'20158,996,858'Systems and methods for utilizing IMS data security mechanisms in a circuit switched network'20158,964,961'Method of routing a session from a calling party in a serving communication network of the calling party to a called party'20158,923,247'Handover from circuit switched to packet switched'20148,908,643'Handover of priority calls from a circuit switched access network with single radio voice call continuity'20148,908,597'Methods and apparatus for supporting the implementation of IMS service continuity'20148,886,183'Attaching to an access network'20148,848,666'Handover of emergency calls from a circuit switched to a packet switched access network'20148,837,737'Key management in a communication network'20148,832,821'Method and apparatuses for end-to-edge media protection in an IMS system'20148,825,875'Session establishment in a communication network'20148,811,288'Method for enabling delivery of a message between an IMS domain and a CS domain'20148,811,229'Handling ICS enhanced and non enhanced MSC in a pool'20148,787,867'Emergency call handling'20148,745,715'Password-based authentication system and method in group network'20148,745,374'Sending protected data in a communication network'20148,700,692'Group access to IP multimedia subsystem service'20148,671,201'Correlation of sessions in case of session transfer in IMS domain'20148,660,091'Handling call transfer in a communication network'20148,619,626'Method and apparatus for instance identifier based on a unique device identifier'20138,594,334'Key management method'20138,578,456'Authentication in an IP multimedia subsystem network where an in-use line identifier (LID) does not match a registered LID'20138,549,615'Method and apparatuses for end-to-edge media protection in an IMS system'20138,539,564'IP multimedia security'20138,499,340'IMS network identity management'20138,483,182'Single radio voice call continuity handover of calls with video media from a circuit switched access network'20138,477,765'Method and apparatus for correlating signalling in a communications network'20138,463,264'Early IMS security'20138,429,737'Method and apparatuses for end-to-edge media protection in an IMS system'20138,374,173'Packet switched to circuit switched access handovers in an IMS architecture'20138,260,957'Group access to IP multimedia subsystem service'20128,196,194'Method and network for securely delivering streaming data'20128,180,878'Methods and apparatuses for terminating an IP multimedia subsystem service when IP address is no longer allocated to the user'20128,175,278'Key management messages for secure broadcast'20128,135,386'Method and apparatus for instance identifier based on a unique device identifier'20127,987,366'Key management for network elements'20117,949,135'Key distribution in systems for selective access to information'20117,917,946'Method and network for securely delivering streaming data'20117,773,598'Arrangement and a method relating to flow of packets in communications systems'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2021Patents assigned to ERICSSON TELEFON AB L M (78)· patent assignee history
2010–2017Based in Alvsjo, SE· patent location history
2011–2018Based in Älvsjö, SE· patent location history
2012–2018Patents assigned to LINDHOLM FREDRIK (59)· patent assignee history
2012–2016Patents assigned to BLOM ROLF (9)· patent assignee history
2013–2017Patents assigned to KELLER RALF (25)· patent assignee history
2013–2020Based in Stockholm, SE· patent location history
2016–2018Patents assigned to ERICSSON TELEFON AB L M (publ) (18)· patent assignee history
2018–2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ERICSSON TELEFON AB L M782010–2021
LINDHOLM FREDRIKself592012–2018
KELLER RALF252013–2017
ERICSSON TELEFON AB L M (publ)182016–2018
BLOM ROLF92012–2016
Locations
LocationPatentsSpan
Stockholm, SE542013–2020
Alvsjo, SE152010–2017
Älvsjö, SE132011–2018
Tokyo, JP92018–2021