Location History:
- Yrkslatt, FI (2010)
- Kyrks{umlaut over (l)}att, FI (2012)
- Kyrkslätt, FI (2012 - 2016)
- Kyrkstätt, SE (2018)
- Kyrkslatt, FI (2009 - 2024)
Company Filing History:
34 out of 25,668 
6 out of 162 
1 out of 111 Years Active: 2009-2025
Title: Mats Fredrik Sagfors: Innovator and Patent Contributor from Kyrkslatt, FI
Introduction
Mats Fredrik Sagfors, hailing from Kyrkslatt, Finland, is an accomplished inventor with an impressive portfolio of 41 patents. His groundbreaking work primarily focuses on advancements in communication technologies, particularly within Hybrid Automatic Repeat reQuest (HARQ) systems. His contributions to the field highlight the importance of protocol synchronization and the continuous improvement of mobile communication.
Latest Patents
Among his latest patents, Sagfors has developed methods for addressing lost protocol synchronization in HARQ systems. One notable invention outlines a method and apparatus that prevents synchronization errors caused by acknowledgment and negative acknowledgment (ACK/NACK) issues. This invention includes a process where synchronization errors are detected, and lost synchronization is restored through the transmission of an explicit RESET message. In this innovative arrangement, the current Protocol Data Unit (PDU) transmission is aborted, and a new PDU is sent with the corresponding New Data Indicator (NDI).
Another significant patent focuses on enhancing power-limited mobile terminal coverage by transmitting information related to a single HARQ process from the terminal to a base station across multiple time intervals. This inventive approach not only improves system reliability but also elevates overall communication efficiency.
Career Highlights
Throughout his career, Mats Fredrik Sagfors has been associated with prominent companies, including Telefonaktiebolaget LM Ericsson and Optis Wireless Technology, LLC. His experience in these organizations has significantly contributed to his advancements in the field of communication technologies and patent development.
Collaborations
Sagfors has collaborated with other innovative minds such as Johan Torsner and Michael Meyer, further enriching his work and contributions to the communication technology sector. These collaborations have played a crucial role in developing new methodologies and inventions.
Conclusion
Mats Fredrik Sagfors is a prominent figure in the realm of inventions and patents, especially in communication technology. With 41 patents to his name, his innovative spirit and contributions to the industry not only reflect his dedication but also pave the way for future advancements in HARQ systems and mobile communication protocols.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.