Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683929 | Method of manufacturing a semiconductor device having a capacitor | Makoto Ohi, Natsuo Ajika | 1997-11-04 |
| 5672533 | Field effect transistor having impurity regions of different depths and manufacturing method thereof | Makoto Ohi, Natsuo Ajika, Atsushi Hachisuka, Tomonori Okudaira | 1997-09-30 |
| 5659191 | DRAM having peripheral circuitry in which source-drain interconnection contact of a MOS transistor is made small by utilizing a pad layer and manufacturing method thereof | — | 1997-08-19 |
| 5612241 | Method of manufacturing a DRAM having peripheral circuitry in which source drain interconnection contact of a MOS transistor is made small by utilizing a pad layer | — | 1997-03-18 |
| 5597755 | Method of manufacturing a stacked capacitor in a dram | Natsuo Ajika, Atsushi Hachisuka | 1997-01-28 |