Inventor · disambiguated record
Donald M. Nordahl
Also filed as: NORDAHL DONALD M · NORDAHL DONALD MARVIN
7 granted patents·1 pending application·148 citations·filing 1990–2003
86Inventor score
Files withIBM8
Top patents by PatentIndex Score
8 records- 0184US7171514B2Apparatus and method to control access to logical volumes using parallel access volumesIBM·Filed 2003·Granted Jan 30, 2007·41 cites·9 claims
- 0258US5235692ADisk rotational position controls for channel operations in a cached peripheral subsystemIBM·Filed 1990·Granted Aug 10, 1993·39 cites·23 claims
- 0348US5944802ADynamic speed matching of host channel and device data transfersIBM·Filed 1997·Granted Aug 31, 1999·22 cites·18 claims
- 0446US5426758AMethod and system for accessing data from a multi-head data processing system utilizing a transducer head switching tableIBM·Filed 1992·Granted Jun 20, 1995·7 cites·11 claims
- 0544US5155814ANonsynchronous channel/dasd communication systemIBM·Filed 1990·Granted Oct 13, 1992·18 cites·7 claims
- 0644US2005114465A1Apparatus and method to control access to logical volumes using one or more copy servicesIBM·Filed 2003·Application pending·0 cites
- 0743US5446872AMethod for error recovery in a non-synchronous control unitIBM·Filed 1993·Granted Aug 29, 1995·21 cites·12 claims
- 0841US7512735B2Apparatus and method to control access to logical volumesIBM·Filed 2003·Granted Mar 31, 2009·0 cites·26 claims
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