DN

Donald M. Nordahl

IBM: 7 patents #14,640 of 70,183Top 25%
📍 Tucson, AZ: #976 of 6,004 inventorsTop 20%
🗺 Arizona: #5,222 of 32,909 inventorsTop 20%
Overall (All Time): #751,331 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7512735 Apparatus and method to control access to logical volumes Ezequiel Cervantes, Juan A. Coronado, Miguel A. Duanas, David P. Goodman, Matthew J. Kalos +1 more 2009-03-31
7171514 Apparatus and method to control access to logical volumes using parallel access volumes Juan A. Coronado, Matthew J. Kalos, Richard A. Ripberger 2007-01-30
5944802 Dynamic speed matching of host channel and device data transfers Keith A. Bello, Juan Antonio Yanes 1999-08-31
5446872 Method for error recovery in a non-synchronous control unit Kathryn J. Ayres, Brent Cameron Beardsley, Keith A. Bello, Michael T. Benhase, Alfred G. Torre +2 more 1995-08-29
5426758 Method and system for accessing data from a multi-head data processing system utilizing a transducer head switching table Susan K. Candelaria, Dean L. Hanson, Robert Kwok, Kenneth Wayne Lane, Mark A. Reid +1 more 1995-06-20
5235692 Disk rotational position controls for channel operations in a cached peripheral subsystem Kathryn J. Ayres, Brent Cameron Beardsley, Keith A. Bello, Michael T. Benhase, Raymond E. Wilsey 1993-08-10
5155814 Nonsynchronous channel/DASD communication system Brent Cameron Beardsley, Keith A. Bello, Michael T. Benhase, Florence J. Clark, Paul W. Hunter 1992-10-13