This inventor holds 4 USPTO granted patents and 2 published patent applications and 2 EPO patents. Top assignee: Telefonaktiebolaget Lm Ericsson (Publ). Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 2026
Title: Torbjörn Elfström: Innovator in RF Parameter Estimation
Introduction
Torbjörn Elfström is a notable inventor based in Fjaras, Sweden. He has made significant contributions to the field of radio frequency (RF) technology. His innovative work focuses on the estimation of RF parameters in radio transmitters, which is crucial for enhancing communication systems.
Latest Patents
Torbjörn Elfström holds a patent for "OTA estimation of an RF parameter of a radio transmitter." This patent describes mechanisms for over-the-air (OTA) estimation of RF parameters. The method involves measurement equipment that obtains information about the spatial radiation pattern and power allocation used by the radio transmitter. It also includes measuring signal power and frequency while considering spatial orientations and distances. This innovative approach allows for accurate estimation of RF parameters, improving the efficiency of radio transmissions.
Career Highlights
Torbjörn Elfström has had a distinguished career, primarily working with Telefonaktiebolaget LM Ericsson (Publ). His expertise in RF technology has positioned him as a key player in the development of advanced communication systems. His work has contributed to the evolution of wireless technology, making significant impacts in the industry.
Collaborations
Throughout his career, Torbjörn has collaborated with esteemed colleagues, including Lars Persson and Christer Engdahl. These collaborations have fostered innovation and have been instrumental in advancing the field of RF technology.
Conclusion
Torbjörn Elfström is a prominent inventor whose work in RF parameter estimation has made a lasting impact on communication technology. His contributions continue to influence the development of more efficient radio systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile