Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672533 | Field effect transistor having impurity regions of different depths and manufacturing method thereof | Hideaki Arima, Makoto Ohi, Natsuo Ajika, Tomonori Okudaira | 1997-09-30 |
| 5627093 | Method of manufacturing a wiring layer for use in a semiconductor device having a plurality of conductive layers | Yoshinori Okumura | 1997-05-06 |
| 5597755 | Method of manufacturing a stacked capacitor in a dram | Natsuo Ajika, Hideaki Arima | 1997-01-28 |