Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7185168 | System and method for quality of service management in a partitioned storage device or subsystem | Robert Walsh, Stephen S. Selkirk | 2007-02-27 |
| 7114013 | Intelligent data storage manager | Mark A. Bakke, Stephen H. Blendermann, Steven Halladay, Steven A. Johnson, Jeffrey Steven Laughlin +3 more | 2006-09-26 |
| 7000088 | System and method for quality of service management in a partitioned storage device or subsystem | Robert Walsh, Stephen S. Selkirk | 2006-02-14 |
| 6330621 | Intelligent data storage manager | Mark A. Bakke, Stephen H. Blendermann, Steven Halladay, Steven A. Johnson, Jeffrey Steven Laughlin +3 more | 2001-12-11 |
| 5632012 | Disk scrubbing system | Jay S. Belsan, Alan R. Permut | 1997-05-20 |
| 5581724 | Dynamically mapped data storage subsystem having multiple open destage cylinders and method of managing that subsystem | Jay S. Belsan, Charles A. Milligan | 1996-12-03 |
| 5459857 | Fault tolerant disk array data storage subsystem | Henry S. Ludlam, Charles A. Milligan, Paul R. Swiatek | 1995-10-17 |
| 5430855 | Disk drive array memory system using nonuniform disk drives | Robert Walsh, Jay S. Belsan | 1995-07-04 |
| 5410667 | Data record copy system for a disk drive array data storage subsystem | Jay S. Belsan, Charles A. Milligan, John T. O'Brien | 1995-04-25 |
| 5403639 | File server having snapshot application data groups | Jay S. Belsan, Jeffrey Steven Laughlin, Mogens H. Pedersen, Robert Raicer, Charles Patrick Schafer +2 more | 1995-04-04 |
| 5247638 | Apparatus for compressing data in a dynamically mapped virtual data storage subsystem | John T. O'Brien, Charles A. Milligan, Craig A. Buhlman | 1993-09-21 |
| 5239659 | Phantom duplex copy group apparatus for a disk drive array data storge subsystem | Henry S. Ludlam, Jay S. Belsan | 1993-08-24 |
| 5210866 | Incremental disk backup system for a dynamically mapped data storage subsystem | Charles A. Milligan, Jay S. Belsan | 1993-05-11 |
| 5193184 | Deleted data file space release system for a dynamically mapped virtual data storage subsystem | Jay S. Belsan, Charles A. Milligan, Mogens H. Pedersen, John F. Kitchen, Henry S. Ludlam | 1993-03-09 |
| 5155845 | Data storage system for providing redundant copies of data on different disk drives | David G. Beal, Fred C. Eifert, Henry S. Ludlam, Charles A. Milligan, Paul R. Swiatek | 1992-10-13 |
| 5124987 | Logical track write scheduling system for a parallel disk drive array data storage subsystem | Charles A. Milligan | 1992-06-23 |
| 5077736 | Disk drive memory | Robert H. Dunphy, Robert Walsh, John H. Bowers | 1991-12-31 |