Robert J. Simpson
19Patents
12h-index
23Co-inventors
78Inventor score
Filing activity: Jun 22, 1990 → Aug 30, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5341371A | Communication interface | Electricity | 91 | Expired |
| US5987008A | ATM switch | Electricity | 54 | Expired |
| US5345449A | Clock generation | Electricity | 48 | Expired |
| US6229789A | Congestion avoidance in an ATM switch | Electricity | 39 | Expired |
| US6021115A | ATM switch flow control | Electricity | 31 | Expired |
| US5834860A | Controlled impedance transistor switch circuit | Electricity | 28 | Expired |
| US6128306A | Cell queue formation in an ATM switch | Electricity | 18 | Expired |
| US6144640A | ATM switch | Electricity | 15 | Expired |
| US5389830A | Clock generation | Electricity | 12 | Expired |
| US5867687A | Microprocessor system for handling multiple priority levels interrupt requests to processor and interrupt process identifiers | Physics | 12 | Expired |
| US5745725A | Parallel instruction execution with operand availability check during execution | Physics | 12 | Expired |
| US6493315B1 | ATM switch for routing different cell types | Electricity | 12 | Expired |
| US8842122B2 | Graphics processing unit with command processor | Physics | 5 | Active |
| US8941655B2 | Memory copy engine for graphics processing | Emerging Cross-Sectional Technologies | 4 | Active |
| US7302365B2 | Apparatus and method for performing eye scan | Physics | 3 | Expired |
| US5243597A | Clock generation | Electricity | 3 | Expired |
| US9804995B2 | Computational resource pipelining in general purpose graphics processing unit | Physics | 1 | Active |
| US9967390B2 | Device-orientation controlled settings | Electricity | 1 | Active |
| US7580492B2 | Clock recovery | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.