Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5075745 | Capacitor cell for use in a semiconductor memory integrated circuit device | — | 1991-12-24 |
| 5061651 | Method of making dram cell with stacked capacitor | — | 1991-10-29 |
| 4921816 | Method of making a trench dram | — | 1990-05-01 |
| 4899203 | Semiconductor memory integrated circuit and process of fabricating the same | — | 1990-02-06 |
| 4735915 | Method of manufacturing a semiconductor random access memory element | Akio Kita | 1988-04-05 |
| 4603059 | Method of manufacturing MIS capacitors for semiconductor IC devices | Fumio Kiyosumi | 1986-07-29 |