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US特許

主著
7,757,114 Data synchronization of multiple remote storage after remote copy suspension
7,698,521 Data synchronization of multiple remote storage
7,548,924 Managing method for storage subsystem
7,536,527 Data-migration method
7,461,176 Method for initialization of storage systems
7,421,614 Data synchronization of multiple remote storage after remote copy suspension
7,421,549 Method and apparatus of remote copy for multiple storage subsystems
7,302,536 Method and apparatus for managing replication volumes
7,269,703 Data-migration method
7,234,033 Data synchronization of multiple remote storage facilities
7,139,932 Data synchronization of multiple remote storage after remote copy suspension
7,139,826 Initial copy for remote copy
7,127,581 Data-migration method
7,127,568 Throttling in storage systems
7,024,526 Apparatus and method of null data skip remote copy
6,993,524 Network-attached disk unit with data protection function and server protecting data stored in network-attached disk device
6,976,103 Data migration method using storage area network
6,775,230 Apparatus and method for transmitting frames via a switch in a storage area network
6,748,502 Virtual volume storage
6,745,303 Data synchronization of multiple remote storage
6,148,366 Storage system which transfers a command and data corresponding to said command subsequent to said command
5,754,756 Disk array system having adjustable parity group sizes based on storage unit capacities

共著
7,941,622 Point in time remote copy for multiple sites
7,917,668 Disk controller
7,594,074 Storage system
7,536,523 Point in time remote copy for multiple sites
7,469,307 Storage system with DMA controller which controls multiplex communication protocol
7,467,238 Disk controller and storage system
7,451,289 Storage device and system for providing communications buffer reservation function
7,353,240 Method and storage system that enable sharing files among multiple servers
7,334,101 Point in time remote copy for multiple sites
7,318,133 Method and apparatus for replicating volumes
7,249,220 Storage system
7,231,469 Disk controller
7,231,401 Method and apparatus for implementing extensible network-attached secondary storage
7,213,021 Method and apparatus for storage network management
7,120,769 Point in time remote copy for multiple sites
7,120,739 Storage system
7,039,777 Method and apparatus for managing replication volumes
6,973,555 Storage device and system for providing communications buffer reservation function
6,519,598 Active memory and memory control method, and heterogeneous data integration use system using the memory and method