Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364811 | Method of manufacturing a semiconductor memory device with multiple device forming regions | Natsuo Ajika, Hideaki Arima, Atsushi Hachisuka, Tomonori Okudaira | 1994-11-15 |
| 5365474 | Semiconductor memory device | — | 1994-11-15 |
| 5323049 | Semiconductor device with an interconnection layer on surface having a step portion | — | 1994-06-21 |
| 5309023 | Contact structure for interconnection in semiconductor devices and manufacturing method thereof | Katumi Suizu | 1994-05-03 |
| 5280444 | Dram comprising stacked-type capacitor having vertically protruding part and method of manufacturing the same | Yoshinori Okumura | 1994-01-18 |