Ian David Judd
52Patents
18h-index
48Co-inventors
84Inventor score
Filing activity: Aug 2, 1979 → Aug 5, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5768623A | System and method for sharing multiple storage arrays by dedicating adapters as primary controller and secondary controller for arrays reside in different host computers | Physics | 200 | Expired |
| US6467022B1 | Extending adapter memory with solid state disks in JBOD and RAID environments | Physics | 81 | Expired |
| US6789143B2 | Infiniband work and completion queue management via head and tail circular buffers with indirect work queue entries | Physics | 72 | Expired |
| US5465251A | Network addressing | Electricity | 69 | Expired |
| US8326897B2 | Apparatus and method for managing data storage | Physics | 51 | Active |
| US7200108B2 | Method and apparatus for recovery from faults in a loop network | Electricity | 49 | Expired |
| US5410536A | Method of error recovery in a data communication system | Electricity | 49 | Expired |
| US10445180B2 | Apparatus and method for managing data storage | Physics | 47 | Active |
| US5893138A | System and method for improving channel hardware performance for an array controller | Physics | 46 | Expired |
| US5958064A | Multiple node dual level error recovery system and method | Electricity | 46 | Expired |
| US5933435A | Optimized method of data communication and system employing same | Electricity | 30 | Expired |
| US6038618A | Bypass circuit for bypassing host computer which are connected to plurality of devices via two individual ports upon detecting lack of communication at both ports | Electricity | 30 | Expired |
| US6725296B2 | Apparatus and method for managing work and completion queues using head and tail pointers | Physics | 29 | Expired |
| US6118612A | Disk drive synchronization | Physics | 25 | Expired |
| US5555390A | Data storage method and subsystem including a device controller for respecifying an amended start address | Physics | 21 | Expired |
| US4280143A | Method and means for scale-changing an array of boolean coded points | Physics | 20 | Expired |
| US9342423B2 | Selective restoration of data from non-volatile storage to volatile memory | Physics | 20 | Active |
| US4375654A | Facsimile vector data compression | Physics | 20 | Expired |
| US4604614A | Video display system employing pulse stretching to compensate for image distortion | Physics | 14 | Expired |
| US5613141A | Data storage subsystem having dedicated links connecting a host adapter, controller and direct access storage devices | Physics | 11 | Expired |
| US6128674A | Method of minimizing host CPU utilization in driving an adapter by residing in system memory a command/status block a soft interrupt block and a status block queue | Physics | 10 | Expired |
| US4463288A | Cathode ray tube drive circuitry | Electricity | 10 | Expired |
| US7092401B2 | Apparatus and method for managing work and completion queues using head and tail pointers with end-to-end context error cache for reliable datagram | Electricity | 8 | Expired |
| US4369396A | Color cathode-ray tube apparatus with shadow mask | Electricity | 7 | Expired |
| US4354143A | Equipment to correct aberrations of a cathode ray beam | Electricity | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.