Inventor · disambiguated record
Bruno O. Brachtl
Also filed as: BRACHTL BRUNO · BRACHTL BRUNO O
4 granted patents·862 citations·filing 1987–1987
85Inventor score
Files withIBM4
Top patents by PatentIndex Score
4 records- 0194US4850017AControlled use of cryptographic keys via generating station established control valuesIBM·Filed 1987·Granted Jul 18, 1989·194 cites·22 claims
- 0290US4908861AData authentication using modification detection codes based on a public one way encryption functionIBM·Filed 1987·Granted Mar 13, 1990·148 cites·21 claims
- 0385US4755940ATransaction security systemIBM·Filed 1987·Granted Jul 5, 1988·309 cites·6 claims
- 0476US4747050ATransaction security system using time variant parameterIBM·Filed 1987·Granted May 24, 1988·211 cites·1 claims
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