John H. Crawford
53Patents
16h-index
46Co-inventors
84Inventor score
Filing activity: Mar 5, 1979 → Sep 19, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4972338A | Memory management for microprocessor system | Physics | 114 | Expired |
| US5321836A | Virtual memory management method and apparatus utilizing separate and independent segmentation and paging mechanism | Physics | 78 | Expired |
| US9934143B2 | Mapping a physical address differently to different memory devices in a group | Physics | 73 | Active |
| US5210845A | Controller for two-way set associative cache | Physics | 67 | Expired |
| US5255378A | Method of transferring burst data in a microprocessor | Physics | 63 | Expired |
| US6163764A | Emulation of an instruction set on an instruction set architecture transition | Physics | 50 | Expired |
| US5530932A | Cache coherent multiprocessing computer system with reduced power operating features | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5131083A | Method of transferring burst data in a microprocessor | Physics | 28 | Expired |
| US6542966B1 | Method and apparatus for managing temporal and non-temporal data in a single cache structure | Physics | 26 | Expired |
| US5669003A | Method of monitoring system bus traffic by a CPU operating with reduced power | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5173872A | Content addressable memory for microprocessor system | Physics | 25 | Expired |
| US5948099A | Apparatus and method for swapping the byte order of a data item to effectuate memory format conversion | Physics | 25 | Expired |
| US5201043A | System using both a supervisor level control bit and a user level control bit to enable/disable memory reference alignment checking | Physics | 25 | Expired |
| US5809314A | Method of monitoring system bus traffic by a CPU operating with reduced power | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7984248B2 | Transaction based shared data operations in a multiprocessor environment | Physics | 17 | Expired |
| US6754689B2 | Method and apparatus for performing subtraction in redundant form arithmetic | Physics | 16 | Expired |
| US6689989B2 | Heater for electric blanket | Electricity | 13 | Expired |
| US6654909B1 | Apparatus and method for protecting critical resources against soft errors in high performance microprocessors | Physics | 13 | Expired |
| US6385718B1 | Computer system and method for executing interrupt instructions in operating modes | Physics | 11 | Expired |
| US9449671B2 | Techniques for probabilistic dynamic random access memory row repair | Emerging Cross-Sectional Technologies | 11 | Active |
| US6604184B2 | Virtual memory mapping using region-based page tables | Physics | 7 | Expired |
| US8473963B2 | Synchronizing multiple threads efficiently | Physics | 6 | Active |
| US6813628B2 | Method and apparatus for performing equality comparison in redundant form arithmetic | Physics | 6 | Expired |
| US7669009B2 | Method and apparatus for run-ahead victim selection to reduce undesirable replacement behavior in inclusive caches | Physics | 6 | Expired |
| US6675266B2 | Circuit and method for protecting 1-hot and 2-hot vector tags in high performance microprocessors | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.