VL

Vernon J. Legvold

IBM: 25 patents #4,217 of 70,183Top 7%
Overall (All Time): #165,295 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
7774644 System and program for error handling in a dual adaptor system where one adaptor is a master Matthew J. Fairhurst, Michael John Jones, Michael P. Vageline 2010-08-10
7673172 Method, system, and program for error handling in a dual adaptor system where one adaptor is a master Matthew J. Fairhurst, Michael John Jones, Michael P. Vageline 2010-03-02
7661022 System for error handling in a dual adaptor system where one adaptor is a master Matthew J. Fairhurst, Michael John Jones, Michael P. Vageline 2010-02-09
7565565 Automated error recovery of a licensed internal code update on a storage controller Edward G. Butt, Jack Harvey Derenburger, Steven Douglas Johnson, Ronald D. Martens 2009-07-21
7490264 Method for error handling in a dual adaptor system where one adaptor is a master Matthew J. Fairhurst, Michael John Jones, Michael P. Vageline 2009-02-10
7392420 Automated error recovery of a licensed internal code update on a storage controller Edward G. Butt, Jack Harvey Derenburger, Steven Douglas Johnson, Ronald D. Martens 2008-06-24
7386760 Method, system, and program for error handling in a dual adaptor system where one adaptor is a master Matthew J. Fairhurst, Michael John Jones, Michael P. Vageline 2008-06-10
7337355 Method, system, and program for error handling in a dual adaptor system where one adaptor is a master Matthew J. Fairhurst, Michael John Jones, Michael P. Vageline 2008-02-26
7266815 Automated control of a licensed internal code update on a storage controller Edward G. Butt, Jack Harvey Derenburger, Steven Douglas Johnson, Ronald D. Martens 2007-09-04
7139933 Preserving cache data against cluster reboot Yu-Cheng Hsu, David F. Mannenbach 2006-11-21
7085886 Autonomic power loss recovery for a multi-cluster storage sub-system Yu-Cheng Hsu 2006-08-01
7051174 Method, system, and program for restoring data in cache Kevin J. Ash, Steven Robert Lowe, David F. Mannenbach, Carol S. Mellgren, Kenneth W. Todd +1 more 2006-05-23
6983397 Method, system, and program for error handling in a dual adaptor system where one adaptor is a master Matthew J. Fairhurst, Michael John Jones, Michael P. Vageline 2006-01-03
6408348 System, method, and program for managing I/O requests to a storage device Lawrence Carter Blount, Emeline Yvonne Germain, William Frank Micka, Warren K. Stanley, Stephen C. West 2002-06-18
5991775 Method and system for dynamic cache allocation between record and track entries Brent Cameron Beardsley, Lawrence Carter Blount, Joel H. Cord, Michael H. Hartung 1999-11-23
5815656 Method of validating memory structures in data processing systems Susan K. Candelaria, Michael H. Hartung, Dennis Albert Kukula, Kenneth Wayne Lane, Guy Martin +4 more 1998-09-29
5802547 Data storage system with streamlined data exchange path to cached data 1998-09-01
5717888 Accessing cached data in a peripheral disk data storage system using a directory having track and cylinder directory entries Susan K. Candelaria, Joseph S. Hyde, II 1998-02-10
5701429 Method and system for maintaining concurrent data access during device upgrade Julia Liu, Carol Santich Michod, Chan Yiu Ng, William G. Sherman, Jeffrey R. Steffan +1 more 1997-12-23
5682513 Cache queue entry linking for DASD record updates Susan K. Candelaria, Warren K. Stanley 1997-10-28
5636359 Performance enhancement system and method for a hierarchical data cache using a RAID parity scheme Brent Cameron Beardsley, Joel H. Cord, Joseph S. Hyde, II, Carol Santich Michod, Gary Eugene Morain +3 more 1997-06-03
5627990 Management system for a hierarchical data cache employing preemptive cache track demotion and restaging to adapt to access patterns Joel H. Cord, Michael H. Hartung, Joseph S. Hyde, II, William G. Sherman 1997-05-06
5375232 Method and system for asynchronous pre-staging of backup copies in a data processing storage subsystem William Frank Micka, Kenneth Nagin, Yoram Novick, Pnina Vortman, Elfraim Zeidner 1994-12-20
4875155 Peripheral subsystem having read/write cache with record access James Lincoln Iskiyan, Peter L. H. Leung, Guy Martin 1989-10-17
4779189 Peripheral subsystem initialization method and apparatus Stephen O. Wellons 1988-10-18