Ralf Hartmann

This inventor holds 7 USPTO granted patents. Top assignees: Infineon Technologies Ag, Siemens Aktiengesellschaft. Active years: 2002-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ralf Hartmann. Retrieved from https://idiyas.com/inventor/ralf-hartmann-vl12hxsa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 7

% Patents Active = 42.9

Average Co-Inventor Count = 1.9

ph-index = 3

Forward Citations = 52(Granted Patents)

Location History:

Munich, DE (2002 - 2004)
München, DE (2002 - 2010)

Company Filing History:

6 out of 15,036

Infineon Technologies Ag

patents

1 out of 30,886

Siemens Aktiengesellschaft

patents

Years Active: 2002-2010

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7724836 - Method and receiving unit for compensation for a frequency offset and/or for a change in the phase of a transmission channel over time by receiver-end evaluation of edge symbols of a received data burst (2010-05-25),

2. 7127666 - Device and method to carry out a viterbi-algorithm (2006-10-24),

3. 7117414 - Method for identifying an integrated circuit (2006-10-03),

4. 6954507 - Method for estimating the bit error rate in a radio receiver and corresponding radio receiver (2005-10-11),

5. 6782060 - Method and apparatus for generating reliability information for channel decoding in a radio receiver (2004-08-24),

6. 6396883 - Method for detection of pilot tones (2002-05-28),

7. 6389089 - Method of searching for pilot signals (2002-05-14),

Title: Ralf Hartmann: Innovator in Mobile Radio Transmission

Introduction

Ralf Hartmann is a notable inventor based in Munich, Germany. He has made significant contributions to the field of mobile radio transmission, holding a total of 7 patents. His work focuses on improving the efficiency and reliability of data transmission in mobile networks.

Latest Patents

One of Ralf Hartmann's latest patents is a method and receiving unit for compensation for a frequency offset and/or for a change in the phase of a transmission channel over time. This innovation involves the receiver-end evaluation of edge symbols of a received data burst. The method aims to compensate for frequency offsets or phase changes during mobile radio transmission by utilizing carrier-frequency modulated data bursts. The evaluation of sample values of the received signal, which correspond to first and second symbols, allows for accurate estimation of these changes. Additionally, he has developed a device and method to execute a Viterbi algorithm, which includes initial state registers, transition registers, and an adder/subtracter network. This apparatus can switch between different operating modes based on the selected evaluation units.

Career Highlights

Throughout his career, Ralf Hartmann has worked with prominent companies such as Infineon Technologies AG and Siemens Aktiengesellschaft. His experience in these organizations has contributed to his expertise in mobile communication technologies.

Collaborations

Ralf has collaborated with notable professionals in his field, including Peter Bohnhoff and Bin Yang. Their joint efforts have further advanced the innovations in mobile radio transmission.

Conclusion

Ralf Hartmann's contributions to mobile radio transmission through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of efficient communication technologies.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]