Patent assignee · US · COMPANY

NetApp, Inc.

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2,740Patents
2,637Active
2,740Granted
69Portfolio score

Filing activity: May 22, 2001 → Sep 27, 2024 · 638 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8700875B1 Cluster view for storage devices Electricity 581 Active
US7689609B2 Architecture for supporting sparse volumes Physics 497 Active
US8949863B1 Creating environmental snapshots of storage device failure events Physics 495 Active
US7493424B1 Network storage system with shared software stack for LDMA and RDMA Physics 484 Expired
US8145838B1 Processing and distributing write logs of nodes of a cluster storage system Physics 402 Active
US8627136B2 Non-disruptive failover of RDMA connection Physics 368 Active
US7613947B1 System and method for storage takeover Physics 366 Active
US8086911B1 Method and apparatus for distributed reconstruct in a raid system Physics 363 Active
US8898388B1 NVRAM caching and logging in a storage system Emerging Cross-Sectional Technologies 352 Active
US7730258B1 System and method for managing hard and soft lock state information in a distributed storage system environment Physics 349 Active
US8904231B2 Synchronous local and cross-site failover in clustered storage systems Physics 345 Active
US9043372B2 Metadata subsystem for a distributed object store in a network storage system Physics 338 Active
US8819383B1 Non-disruptive realignment of virtual data Physics 335 Active
US8117464B1 Sub-volume level security for deduplicated data Electricity 335 Active
US8117388B2 Data distribution through capacity leveling in a striped file system Physics 321 Active
US8200922B2 Storage system snapshot assisted by SSD technology Physics 314 Active
US8886778B2 System and method for proxying network management protocol commands to enable cluster wide management of data backups Physics 311 Active
US8180855B2 Coordinated shared storage architecture Physics 309 Active
US9348538B2 Selective deduplication Physics 308 Active
US7913300B1 Centralized role-based access control for storage servers Electricity 289 Active
US8874850B1 Hierarchically tagged cache Physics 269 Active
US7657644B1 Methods and apparatus for streaming media multicast Electricity 236 Expired
US8972478B1 Using append only log format in data storage cluster with distributed zones for determining parity of reliability groups Physics 235 Active
US8200638B1 Individual file restore from block-level incremental backups by using client-server backup protocol Physics 235 Active
US8086652B1 Storage system-based hole punching for reclaiming unused space from a data container Physics 234 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.