|
| US4058849 | 22 Sep 1975 | 15 Nov 1977 | International Business Machines Corporation | System for converting a rough sketch to a finished drawing |
| US4377849 | 29 Dic 1980 | 22 Mar 1983 | International Business Machines Corporation | Macro assembler process for automated circuit design |
| US4500963 | 29 Nov 1982 | 19 Feb 1985 | The United States of America as represented by the Secretary of the Army | Automatic layout program for hybrid microcircuits (HYPAR) |
| US4566064 | 8 Dic 1982 | 21 Ene 1986 | American Microsystems, Inc. | Combinational logic structure using PASS transistors |
| US4593363 | 12 Ago 1983 | 3 Jun 1986 | International Business Machines Corporation | Simultaneous placement and wiring for VLSI chips |
| US4916627 | 2 Dic 1987 | 10 Abr 1990 | International Business Machines Corporation | Logic path length reduction using boolean minimization |
| US5018074 | 4 Nov 1988 | 21 May 1991 | United Technologies Corporation | Method of making gate array masks |
| US5031111 | 8 Ago 1988 | 9 Jul 1991 | TRW Inc. | Automated circuit design method |
| US5065335 | 15 Mar 1989 | 12 Nov 1991 | Hitachi, Ltd. | Decoding type select logic generating method |
| US6137546 | 20 Jul 1998 | 24 Oct 2000 | Sony Corporation Sony Electronics Inc. | Auto program feature for a television receiver |