Location History:
- Saltsjobaden, SE (2012 - 2014)
- Saltsjöbaden, SE (2011 - 2018)
Company Filing History:
Years Active: 2011-2018
Title: The Innovations of Alf Heidermark
Introduction
Alf Heidermark is a notable inventor based in Saltsjöbaden, Sweden. He has made significant contributions to the field of mobile communication, holding a total of 10 patents. His work focuses on enhancing the functionality and accessibility of mobile networks.
Latest Patents
One of Heidermark's latest patents is titled "Method of access provision." This method proposes a way for mobile terminals associated with users to gain access to visited Internet Protocol-based mobile communication networks. The mobile terminal generates a network information element that includes a home network identifying element and a domain name of the visited network. This information is then provided to the visited network, which executes a subscription generating procedure to grant access based on the generated subscription. Another significant patent is "Message handling in an IP multimedia subsystem." This method involves handling Session Initiation Protocol (SIP) communications at a SIP application server within an IP Multimedia Subsystem. It includes processing messages based on headers that contain the URI of the served user, identifying the appropriate case for handling the SIP message.
Career Highlights
Heidermark has had a distinguished career, working with Telefonaktiebolaget LM Ericsson, a leading telecommunications company. His experience at Ericsson has allowed him to develop innovative solutions that address the challenges in mobile communication.
Collaborations
Throughout his career, Heidermark has collaborated with notable professionals in the field, including Fredrik Lindholm and Ralf Keller. These collaborations have contributed to the advancement of technology in mobile communications.
Conclusion
Alf Heidermark's contributions to mobile communication through his patents and collaborations highlight his role as an influential inventor in the industry. His innovative methods continue to shape the future of mobile technology.