Inventor · disambiguated record
Horst Feistel
Also filed as: FEISTEL HORST
4 granted patents·620 citations·filing 1973–1980
84Inventor score
Technology areasH04L
Files withIBM4
Top patents by PatentIndex Score
4 records- 0196US4316055AStream/block cipher crytographic systemIBM·Filed 1976·Granted Feb 16, 1982·325 cites·14 claims
- 0292US4326098AHigh security system for electronic signature verificationIBM·Filed 1980·Granted Apr 20, 1982·170 cites·14 claims
- 0390US4195196AVariant key matrix cipher systemIBM·Filed 1973·Granted Mar 25, 1980·54 cites·9 claims
- 0489US4195200AKey controlled block-cipher cryptographic system employing a multidirectional shift matrixIBM·Filed 1976·Granted Mar 25, 1980·71 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →