Richard Ohran
20Patents
16h-index
7Co-inventors
70Inventor score
Filing activity: Oct 13, 1994 → Sep 27, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5835953A | Backup system that takes a snapshot of the locations in a mass storage device that has been identified for updating prior to updating | Physics | 511 | Expired |
| US5649152A | Method and system for providing a static snapshot of data stored on a mass storage system | Physics | 253 | Expired |
| US5812748A | Method for improving recovery performance from hardware and software errors in a fault-tolerant computer system | Physics | 238 | Expired |
| US6871271B2 | Incrementally restoring a mass storage device to a prior state | Emerging Cross-Sectional Technologies | 173 | Expired |
| US7296125B2 | Preserving a snapshot of selected data of a mass storage system | Emerging Cross-Sectional Technologies | 164 | Expired |
| US6085298A | Comparing mass storage devices through digests that are representative of stored data in order to minimize data transfer | Physics | 153 | Expired |
| US6397307B2 | Method and system for mirroring and archiving mass storage | Emerging Cross-Sectional Technologies | 136 | Expired |
| US6073222A | Using a virtual device to access data as it previously existed in a mass data storage system | Physics | 100 | Expired |
| US5978565A | Method for rapid recovery from a network file server failure including method for operating co-standby servers | Emerging Cross-Sectional Technologies | 82 | Expired |
| US6609183B2 | Method and system for mirroring and archiving mass storage | Emerging Cross-Sectional Technologies | 78 | Expired |
| US6338126B1 | Crash recovery without complete remirror | Emerging Cross-Sectional Technologies | 54 | Expired |
| US7107418B2 | Method and system for mirroring and archiving mass storage | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6560617B1 | Operation of a standby server to preserve data stored by a network server | Emerging Cross-Sectional Technologies | 46 | Expired |
| US6526487B2 | Performing acknowledged operations on original and mirrored copies of data | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6941490B2 | Dual channel restoration of data between primary and backup servers | Physics | 20 | Expired |
| US7398366B2 | Tracking incremental changes in a mass storage system | Emerging Cross-Sectional Technologies | 18 | Active |
| US7434093B2 | Dual channel restoration of data between primary and backup servers | Physics | 8 | Expired |
| US7660953B2 | Method and system for mirroring and archiving mass storage | Emerging Cross-Sectional Technologies | 5 | Active |
| US8215053B1 | Method for improving seed germination efficiency | Human Necessities | 2 | Active |
| US6931502B2 | Recovery of data using write request copies in delta queue | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.