Michael Butts
52Patents
30h-index
23Co-inventors
88Inventor score
Filing activity: Oct 4, 1989 → Sep 15, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5036473A | Method of using electronically reconfigurable logic circuits | Physics | 320 | Expired |
| US5452231A | Hierarchically connected reconfigurable logic assembly | Physics | 198 | Expired |
| US6732068B2 | Memory circuit for use in hardware emulation system | Emerging Cross-Sectional Technologies | 197 | Expired |
| US6184707A | Look-up table based logic element with complete permutability of the inputs to the secondary signals | Physics | 176 | Expired |
| US5448496A | Partial crossbar interconnect architecture for reconfigurably connecting multiple reprogrammable logic devices in a logic emulation system | Physics | 145 | Expired |
| US5960191A | Emulation system with time-multiplexed interconnect | Emerging Cross-Sectional Technologies | 118 | Expired |
| US6020760A | I/O buffer circuit with pin multiplexing | Electricity | 117 | Expired |
| US7109752B1 | Configurable circuits, IC's, and systems | Electricity | 102 | Expired |
| US6285211A | I/O buffer circuit with pin multiplexing | Electricity | 97 | Expired |
| US7193440B1 | Configurable circuits, IC's, and systems | Electricity | 93 | Expired |
| US5612891A | Hardware logic emulation system with memory capability | Physics | 92 | Expired |
| US6377912B1 | Emulation system with time-multiplexed interconnect | Emerging Cross-Sectional Technologies | 90 | Expired |
| US5661662A | Structures and methods for adding stimulus and response functions to a circuit design undergoing emulation | Physics | 72 | Expired |
| US6002861A | Method for performing simulation using a hardware emulation system | Physics | 67 | Expired |
| US7157933B1 | Configurable circuits, IC's, and systems | Electricity | 60 | Expired |
| US7948266B2 | Non-sequentially configurable IC | Electricity | 56 | Active |
| US7532032B2 | Configurable circuits, IC's, and systems | Electricity | 56 | Active |
| US5870410A | Diagnostic interface system for programmable logic system development | Physics | 56 | Expired |
| US6011744A | Programmable logic device with multi-port memory | Electricity | 55 | Expired |
| US6539535B2 | Programmable logic device having integrated probing structures | Physics | 54 | Expired |
| US7167025B1 | Non-sequentially configurable IC | Electricity | 52 | Expired |
| US5812414A | Method for performing simulation using a hardware logic emulation system | Physics | 51 | Expired |
| US5821773A | Look-up table based logic element with complete permutability of the inputs to the secondary signals | Electricity | 50 | Expired |
| US6289494A | Optimized emulation and prototyping architecture | Physics | 49 | Expired |
| US5796623A | Apparatus and method for performing computations with electrically reconfigurable logic devices | Physics | 42 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.