Inventor · Jamesburg, NJ, US

Alexander S. Mathews

26Patents
9h-index
31Co-inventors
71Inventor score

Filing activity: Nov 19, 2010 → Nov 30, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US8407265B1 Hierarchical mapping of free blocks of cylinder groups of file systems built on slices of storage and linking of the free blocks Physics 79 Active
US9104675B1 Inode to pathname support with a hard link database Physics 30 Active
US9400741B1 Reclaiming space from file system hosting many primary storage objects and their snapshots Physics 22 Active
US9778996B1 File system version set infrastructure Physics 19 Active
US10809932B1 Managing data relocations in storage systems Physics 18 Active
US9965201B1 Coalescing file system free space to promote full-stripe writes Physics 11 Active
US9933945B1 Efficiently shrinking a dynamically-sized volume Physics 10 Active
US10235286B1 Data storage system dynamically re-marking slices for reclamation from internal file system to pool storage Physics 9 Active
US9864753B1 Data storage system with adaptive file system over-provisioning Physics 9 Active
US11010082B2 Mechanisms for performing accurate space accounting for volume families Physics 7 Active
US10013217B1 Upper deck file system shrink for directly and thinly provisioned lower deck file system in which upper deck file system is stored in a volume file within lower deck file system where both upper deck file system and lower deck file system resides in storage processor memory Physics 4 Active
US11526469B1 File system reorganization in the presence of inline compression Electricity 3 Active
US9690803B1 Auxiliary files in a container file system Physics 2 Active
US10732840B2 Efficient space accounting mechanisms for tracking unshared pages between a snapshot volume and its parent volume Physics 2 Active
US10936195B2 Data storage system using in-memory structure for reclaiming space from internal file system to pool storage Physics 2 Active
US9779105B1 Transaction logging using file-system-specific log files Physics 2 Active
US10942845B2 Inline coalescing of file system free space Physics 2 Active
US10740284B1 Techniques for efficiently performing filesystem reorganization tasks for different filesystems Physics 1 Active
US11334523B2 Finding storage objects of a snapshot group pointing to a logical page in a logical address space of a storage system Physics 1 Active
US12001393B2 Directory snapshots based on directory level inode virtualization Physics 0 Active
US11880338B2 Hard link handling with directory snapshots Physics 0 Active
US11934347B2 Determining a sharing relationship of a file in namespace snapshots Physics 0 Active
US11762808B2 Deletion of snapshot of filesystem Physics 0 Active
US10990486B2 Data storage system with repair of mid-level mapping blocks of internal file system Physics 0 Active
US11861201B2 System and method for inline recovery of a file system resource allocator Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.