Ashok Singhal
26Patents
16h-index
27Co-inventors
77Inventor score
Filing activity: Jul 7, 1995 → Jan 21, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5644731A | Method and apparatus for hot plugging/unplugging a sub-system to an electrically powered system | Electricity | 118 | Expired |
| US5978874A | Implementing snooping on a split-transaction computer system bus | Physics | 100 | Expired |
| US6658478B1 | Data storage system | Physics | 93 | Expired |
| US5911052A | Split transaction snooping bus protocol | Physics | 68 | Expired |
| US7543100B2 | Node controller for a data storage system | Physics | 49 | Expired |
| US5805839A | Efficient technique for implementing broadcasts on a system of hierarchical buses | Physics | 48 | Expired |
| US6578033B1 | System and method for accessing a shared computer resource using a lock featuring different spin speeds corresponding to multiple states | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5987549A | Method and apparatus providing short latency round-robin arbitration for access to a shared resource | Physics | 32 | Expired |
| US5829033A | Optimizing responses in a coherent distributed electronic system including a computer system | Physics | 28 | Expired |
| US6148300A | Hybrid queue and backoff computer resource lock featuring different spin speeds corresponding to multiple-states | Emerging Cross-Sectional Technologies | 27 | Expired |
| US8037026B1 | Protected user-controllable volume snapshots | Physics | 26 | Expired |
| US6272602A | Multiprocessing system employing pending tags to maintain cache coherence | Physics | 25 | Expired |
| US5778427A | Method and apparatus for selecting a way of a multi-way associative cache by storing waylets in a translation structure | Physics | 21 | Expired |
| US6973484B1 | Method of communicating data in an interconnect system | Physics | 20 | Expired |
| US5765196A | System and method for servicing copyback requests in a multiprocessor system with a shared memory | Physics | 19 | Expired |
| US7032078B2 | Shared memory multiprocessing system employing mixed broadcast snooping and directory based coherency protocols | Physics | 18 | Expired |
| US7222220B2 | Multiprocessing system employing address switches to control mixed broadcast snooping and directory based coherency protocols transparent to active devices | Physics | 16 | Expired |
| USRE40877E1 | Method of communicating data in an interconnect system | General | 12 | Active |
| US6574746B1 | System and method for improving multi-bit error protection in computer memory systems | Physics | 12 | Expired |
| US7836329B1 | Communication link protocol optimized for storage architectures | Physics | 5 | Expired |
| US6003152A | System for N-bit part failure detection using n-bit error detecting codes where n less than N | Physics | 4 | Expired |
| US7328743B2 | Toe-to-heel waterflooding with progressive blockage of the toe region | Fixed Constructions | 3 | Active |
| US7444489B2 | Applications for non-disruptively moving data between logical disk regions in a data storage system | Physics | 2 | Active |
| US5898840A | Maintaining a sequential store order (SSO) in a non-SSO machine | Physics | 2 | Expired |
| US7938182B2 | Method for recovery of natural gas from a group of subterranean zones | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.