Western Digital Technologies, Inc.
🏢 View company profile →5,286Patents
4,771Active
5,286Granted
66Portfolio score
Filing activity: Mar 11, 1997 → Sep 19, 2024 · 405 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8769232B2 | Non-volatile semiconductor memory module enabling out of order host command chunk media access | Physics | 295 | Active |
| US8443167B1 | Data storage device employing a run-length mapping table and a single address mapping table | Physics | 253 | Active |
| US6405342B1 | Disk drive employing a multiple-input sequence detector responsive to reliability metrics to improve a retry operation | Physics | 246 | Expired |
| US7546353B2 | Managed peer-to-peer applications, systems and methods for distributed data access and storage | Electricity | 245 | Expired |
| US8707104B1 | Systems and methods for error injection in data storage systems | Physics | 243 | Active |
| US7136244B1 | Disk drive employing data averaging techniques during retry operations to facilitate data recovery | Physics | 238 | Expired |
| US8700834B2 | Systems and methods for an enhanced controller architecture in data storage systems | Physics | 234 | Active |
| US6490635B1 | Conflict detection for queued command handling in disk drive controller | Physics | 230 | Expired |
| US6603622B1 | Disk drive employing a sync mark detector comprising a matched filter and a dual polarity correlator | Physics | 217 | Expired |
| US6411452B1 | Disk drive employing read error tolerant sync mark detection | Physics | 216 | Expired |
| US6408406B1 | Hard disk drive infant mortality test | Physics | 214 | Expired |
| US7949564B1 | System and method of receiving advertisement content from advertisers and distributing the advertising content to a network of personal computers | Physics | 214 | Active |
| US6976190B1 | Serial ATA disk drive having a parallel ATA test interface and method | Physics | 210 | Expired |
| US8638602B1 | Background selection of voltage reference values for performing memory read operations | Physics | 207 | Active |
| US8341339B1 | Hybrid drive garbage collecting a non-volatile semiconductor memory by migrating valid data to a disk | Physics | 204 | Active |
| US8254172B1 | Wear leveling non-volatile semiconductor memory based on erase times and program times | Physics | 204 | Active |
| US8612804B1 | System and method for improving wear-leveling performance in solid-state memory | Physics | 202 | Active |
| US8014094B1 | Disk drive expediting defect scan when quality metric exceeds a more stringent threshold | Physics | 201 | Active |
| US8635412B1 | Inter-processor communication | Physics | 201 | Active |
| US6832929B2 | Robust serial advanced technology attachment (SATA) PCB connector | Electricity | 201 | Expired |
| US8713357B1 | Systems and methods for detailed error reporting in data storage systems | Physics | 198 | Active |
| US6968450B1 | Disk drive caching initial host requested data in non-volatile semiconductor memory to reduce start-up time of a host computer | Emerging Cross-Sectional Technologies | 198 | Expired |
| US10019741B2 | Methods and systems for a personal multimedia content archive | Physics | 197 | Active |
| US7126776B1 | Disk drive having a sector clock that is synchronized to the angular speed of the spindle motor | Physics | 195 | Expired |
| US6811427B2 | Robust serial advanced technology attachment (SATA) cable connector | Electricity | 194 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.