James R. MacDonald
44Patents
23h-index
26Co-inventors
85Inventor score
Filing activity: Oct 28, 1987 → Feb 13, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5493684A | Power management architecture including a power management messaging bus for conveying an encoded activity signal for optimal flexibility | Emerging Cross-Sectional Technologies | 150 | Expired |
| US5696927A | Memory paging system and method including compressed page mapping hierarchy | Physics | 144 | Expired |
| US5452434A | Clock control for power savings in high performance central processing units | Emerging Cross-Sectional Technologies | 118 | Expired |
| US5774544A | Method an apparatus for encrypting and decrypting microprocessor serial numbers | Electricity | 88 | Expired |
| US5894577A | Interrupt controller with external in-service indication for power management within a computer system | Emerging Cross-Sectional Technologies | 69 | Expired |
| US5913224A | Programmable cache including a non-lockable data way and a lockable data way configured to lock real-time data | Physics | 60 | Expired |
| US5600839A | System and method for controlling assertion of a peripheral bus clock signal through a slave device | Emerging Cross-Sectional Technologies | 60 | Expired |
| US5790663A | Method and apparatus for software access to a microprocessor serial number | Physics | 58 | Expired |
| US5790783A | Method and apparatus for upgrading the software lock of microprocessor | Physics | 44 | Expired |
| US5269010A | Memory control for use in a memory system incorporating a plurality of memory banks | Physics | 42 | Expired |
| US5557757A | High performance integrated processor architecture including a sub-bus control unit for generating signals to control a secondary, non-multiplexed external bus | Physics | 40 | Expired |
| US5320967A | Boiler system leak detection | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5568649A | Interrupt cascading and priority configuration for a symmetrical multiprocessing system | Physics | 37 | Expired |
| US6550059B1 | Method for generating optimized vector instructions from high level programming languages | Physics | 35 | Expired |
| US6385632B1 | Fast CORDIC algorithm with sine governed termination | Physics | 33 | Expired |
| US4883600A | Stabilization of soluble manganese in aqueous systems | Chemistry; Metallurgy | 32 | Expired |
| US5623673A | System management mode and in-circuit emulation memory mapping and locking method | Physics | 31 | Expired |
| US6044430A | Real time interrupt handling for superscalar processors | Physics | 31 | Expired |
| US5905898A | Apparatus and method for storing interrupt source information in an interrupt controller based upon interrupt priority | Physics | 31 | Expired |
| US5799203A | System for receiving peripheral device capability information and selectively disabling corresponding processing unit function when the device failing to support such function | Physics | 28 | Expired |
| US5561821A | System for performing I/O access and memory access by driving address of DMA configuration registers and memory address stored therein respectively on local bus | Physics | 26 | Expired |
| US5768584A | ROM chip enable encoding method and computer system employing the same | Physics | 25 | Expired |
| US5946497A | System and method for providing microprocessor serialization using programmable fuses | Physics | 25 | Expired |
| US5640573A | Power management message bus for integrated processor | Physics | 23 | Expired |
| US6295574A | Real time interrupt handling for superscalar processors | Physics | 22 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.