Inventor · disambiguated record
Ralf Schaffelhofer
Also filed as: SCHAFFELHOFER RALF
3 granted patents·24 citations·filing 2000–2007
68Inventor score
Files withDEUTSCHE TELEKOM AG3
Top patents by PatentIndex Score
3 records- 0168US7778423B2Method for establishing a common key for a group of at least three subscribersDEUTSCHE TELEKOM AG·Filed 2007·Granted Aug 17, 2010·4 cites·2 claims
- 0266US6714147B2Method for compressing dataDEUTSCHE TELEKOM AG·Filed 2002·Granted Mar 30, 2004·17 cites·13 claims
- 0352US7333617B1Method for establishing a common key for a group of at least three subscribersDEUTSCHE TELEKOM AG·Filed 2000·Granted Feb 19, 2008·3 cites·14 claims
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