Jan Christoffersson

This inventor holds 140 USPTO granted patents and 82 published patent applications, plus 3 CIPO patents and 80 EPO patents, primarily in Wireless Communication (CPC class H04W74-0833). Top assignee: Telefonaktiebolaget Lm Ericsson (Publ). Active years: 2005-2026.

USPTO Granted Patents = 140 (Patent Applications = 82)

% Patents Active = 85.7

CIPO Patents = 3 (Patent Applications = 3)

EPO Patents = 80 (Patent Applications = 184)

Average Co-Inventor Count = 3.0

ph-index = 9

Forward Citations = 424(Granted Patents)

Forward Citations (Not Self Cited) = 402(Dec 10, 2025)

Inventors with similar research interests:

🔬 See more inventors

Location History:

Lule{dot over (a)}, SE (2008 - 2011)
Luleá, SE (2014)
Lulea, SE (2005 - 2016)
Luleå, SE (2012 - 2024)

Company Filing History:

140 out of 26,974

Telefonaktiebolaget Lm Ericsson (Publ)

patents

Years Active: 2005-2026

Loading Chart...

Areas of Expertise:

Wireless Network

Random Access

Network Node

User Equipment

Spectrum Efficiency

Beam Based Transmission

Uplink Transmissions

Group Transmission

Buffer Status Reporting

Adaptive Sensing

Cell Coverage

Collision Handling

140 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12757078 - Base station, a core network node and methods in a scenario where a first base station is replaced by a second base station (2026-10-06),

2. 12745083 - Security parameter updates during cell-reselection for NR SDT (2026-09-22),

3. 12733038 - Switching random access triggered by backoff (2026-09-08),

4. 12707466 - Beam indication in random access (2026-08-11),

5. 12701604 - Radio network node, UE and methods performed therein (2026-08-04),

6. 12696325 - Methods, UE and network node for handling PRACH configurations (2026-07-28),

7. 12690085 - Conditions for transitioning to or remaining in inactive state (2026-07-21),

8. 12684434 - Handling redirection failures in RRC connection redirection procedure (2026-07-14),

9. 12677324 - User equipment, radio network node, and methods performed in a wireless communication network (2026-07-07),

10. 12677314 - Methods of prioritized two-step random access channel (RACH) in new radio (NR) (2026-07-07),

11. 12666461 - Methods, UE and network node for handling a bandwidth part configuration (2026-06-23),

12. 12666380 - Time alignment management (2026-06-23),

13. 12660034 - Methods and apparatus supporting random access procedures in a wireless network (2026-06-16),

14. 12660033 - Systems and methods for UE context retrieval and data forwarding to support small data transmission (2026-06-16),

15. 12634918 - Radio access network resource grant allocation and related aspects (2026-05-19),

Title: Jan Christoffersson: Innovator and Patent Holder in Wireless Technology

Introduction

Jan Christoffersson, located in Luleå, Sweden, is a prolific inventor with an impressive portfolio of 99 patents. His work primarily focuses on advancements in wireless communication technologies, which play a crucial role in modern connectivity.

Latest Patents

Among his latest inventions, Jan has developed methods to enhance the performance of user equipment (UE) in wireless networks. One notable patent is titled "Handling of uplink listen-before-talk failures for handover." This invention outlines a method where the UE performs a first random-access (RA) procedure in designated resources of the target cell and intelligently manages failures without immediately declaring a radio link failure. Another significant patent is for a "Multi-beam random access procedure in handover execution." This method includes the UE receiving messages about dedicated random access channel (RACH) resources, estimating beam quality, and determining the feasibility of performing random access based on this analysis.

Career Highlights

Jan Christoffersson is part of Telefonaktiebolaget LM Ericsson (publ), known for its pioneering work in telecommunications. His contributions have advanced the capabilities of wireless communications significantly, benefiting both the industry and end-users alike.

Collaborations

Throughout his career, Jan has collaborated with talented professionals, including Min Wang and Mårten Ericson. These partnerships have fostered innovation and enriched the development of new technologies within the wireless sector.

Conclusion

Jan Christoffersson stands out as an influential figure in the field of wireless technology, with a robust patent portfolio that reflects his commitment to innovation. Through his inventive work at Ericsson, he continues to shape the landscape of modern communication, paving the way for future advancements.