| Year | Achievement | Publication List Reference No. (Conference Presentations) |
|---|---|---|
| 1976 | First 16-Kb DRAM (ISSCC) | (2) |
| 1978 | First single 5-V 16-Kb DRAM (ESSCIRC) | (3) |
| 1980 | First 64-Kb DRAM (ISSCC) | (4) |
| 1980 | First CMOS DRAM Concept (IEDM) | (5) |
| 1982 | First Trench Capacitor DRAM Cell (IEDM) | (7) |
| 1984 | First 1-Mb DRAM with on-chip Voltage-down Converter (ISSCC) | (8) |
| 1987 | First 1-Mb BiCMOS DRAM (ISSCC) | (17), (26) |
| 1990 | First 1.5-V 64-Mb DRAM (Symposium on VLSI Circuits) | (27), (29), (30) |
| 1992- 1993 |
Leakage-Current Reduction Circuits (ISSCC and others) | (36), (37), (38), (39), (41), (42) |
| 2006- present |
Adaptive Circuits for the 0.5-V Nanoscale Era (ISSCC and others) | (79)-(99) |