Robert Campbell
33Patents
7h-index
29Co-inventors
69Inventor score
Filing activity: Mar 6, 1978 → Nov 12, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5428799A | Redirection of interrupts to microprocessors | Physics | 57 | Expired |
| US5404489A | System and method for minimizing cache interruptions by inhibiting snoop cycles if access is to an exclusive page | Physics | 51 | Expired |
| US4440321A | Debris receptacle, cover, and contents compressor and discharge assembly | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5524211A | System for employing select, pause, and identification registers to control communication among plural processors | Physics | 16 | Expired |
| US4312701A | Method for defibrating waste paper and dispersing contaminants | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5732406A | Microprocessor burst mode with external system memory | Physics | 12 | Expired |
| US6202120A | System and method for accessing data between a host bus and a system memory bus where the system memory bus has a data path that is twice the width of the data path for the host bus | Physics | 7 | Expired |
| US7711914B2 | Debugging using virtual watchpoints | Physics | 6 | Active |
| US8250843B2 | Combination biomass harvester and baler | Human Necessities | 6 | Active |
| US5960450A | System and method for accessing data between a host bus and system memory buses in which each system memory bus has a data path which is twice the width of the data path for the host bus | Physics | 6 | Expired |
| US7478255B2 | Clock distribution in multi-cell computing systems | Physics | 5 | Active |
| US6701402B1 | Selectively operating a host's device controller in a first mode or a second mode | Physics | 5 | Expired |
| US9261913B2 | Image of a keyboard | Physics | 5 | Active |
| US6636916B1 | Assigning PCI device interrupts in a computer system | Physics | 4 | Expired |
| US9052965B2 | Virtual machine for execution on multiple computing systems | Physics | 4 | Active |
| US4178781A | Knitting needle | Textiles; Paper | 3 | Expired |
| US6601125B1 | Minimizing signal stub length for high speed busses | Electricity | 3 | Expired |
| US7437587B2 | Method and system for updating a value of a slow register to a value of a fast register | Physics | 2 | Expired |
| US7187555B2 | Card guide for expansion circuit card | Physics | 2 | Expired |
| US10350508B2 | Controlled thin film vapor generator for liquid volume reduction | Emerging Cross-Sectional Technologies | 2 | Active |
| US10862699B2 | Sensor communications by vibrations | Electricity | 1 | Active |
| US8049821B2 | Video buffer management | Electricity | 1 | Active |
| US9250745B2 | Determine the characteristics of an input relative to a projected image | Physics | 1 | Active |
| US9025081B2 | Time lag determination between audio channels | Electricity | 0 | Active |
| US9990042B2 | Sensor and tag to determine a relative position | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.