Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975972 | Dynamic association of equations to unknowns during simulations of systems described by hardware description languages | Gordon J. Vreugdenhil, Ernst Christen | 2005-12-13 |
| 6532569 | Classification of the variables in a system of simultaneous equations described by hardware description languages | Ernst Christen, Gordon J. Vreugdenhil | 2003-03-11 |
| 6236956 | Component-based analog and mixed-signal simulation model development including newton step manager | H. Alan Mantooth, Douglas K. Cooper | 2001-05-22 |
| 5548539 | Analysis mechanism for system performance simulator | Ernst Christen, Darrell A. Teegarden, David G. Bedrosian | 1996-08-20 |
| 5092780 | System performance simulator | — | 1992-03-03 |
| 4985860 | Mixed-mode-simulator interface | — | 1991-01-15 |
| 4868770 | Simulation results enhancement method and system | David W. Smith | 1989-09-19 |