David R. Johnson
32Patents
16h-index
44Co-inventors
81Inventor score
Filing activity: Jul 8, 1985 → Sep 14, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5583561A | Multi-cast digital video data server using synchronization groups | Emerging Cross-Sectional Technologies | 661 | Expired |
| US6427230B1 | System and method for defining and managing reusable groups software constructs within an object management system | Physics | 360 | Expired |
| US6453312B1 | System and method for developing a selectably-expandable concept-based search | Emerging Cross-Sectional Technologies | 243 | Expired |
| US6226792A | Object management system supporting the use of application domain knowledge mapped to technology domain knowledge | Physics | 215 | Expired |
| US5659794A | System architecture for improved network input/output processing | Electricity | 107 | Expired |
| US5701316A | Method for generating an internet protocol suite checksum in a single macro instruction | Electricity | 99 | Expired |
| US6029205A | System architecture for improved message passing and process synchronization between concurrently executing processes | Physics | 75 | Expired |
| US6324681A | Automated development system for developing applications that interface with both distributed component object model (DCOM) and enterprise server environments | Physics | 66 | Expired |
| US6785882B1 | Process-driven tool interface for an object management system | Physics | 52 | Expired |
| US6789251B1 | System and method for managing a suite of data management tools | Physics | 44 | Expired |
| US5555396A | Hierarchical queuing in a system architecture for improved message passing and process synchronization | Physics | 37 | Expired |
| US6247064A | Enqueue instruction in a system architecture for improved message passing and process synchronization | Physics | 32 | Expired |
| US5970050A | Allocating communication traffic | Electricity | 24 | Expired |
| US8830085B2 | Monitoring traffic signal preemption | Physics | 21 | Active |
| US8823548B2 | Control of traffic signal phases | Physics | 21 | Active |
| US5732404A | Flexible expansion of virtual memory addressing | Physics | 20 | Expired |
| US5602998A | Dequeue instruction in a system architecture for improved message passing and process synchronization | Physics | 14 | Expired |
| US8344908B2 | Monitoring management and presentation of preemption control data of centrally managed traffic signals | Physics | 11 | Active |
| US6147966A | Route finding in communications networks | Electricity | 11 | Expired |
| US6624659B1 | Dynamically updating impedance compensation code for input and output drivers | Electricity | 11 | Expired |
| US8610596B2 | Monitoring and diagnostics of traffic signal preemption controllers | Physics | 11 | Active |
| US8325062B2 | Centralized management of preemption control of traffic signals | Physics | 10 | Active |
| US6362655B1 | Linear active resistor and driver circuit incorporating the same | Electricity | 9 | Expired |
| US7774322B2 | File transfer error handling | Physics | 7 | Active |
| US5734640A | Protection network design | Electricity | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.