Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5828096 | Semiconductor device having a contact hole | Yoshikazu Ohno, Takahiro Yokoi | 1998-10-27 |
| 5796136 | DRAM semiconductor device with composite bit line | — | 1998-08-18 |
| 5717236 | Semiconductor memory including stacked capacitor having a flat surface | — | 1998-02-10 |
| 5604145 | Method of manufacturing DRAM capable of randomly inputting/outputting memory information at random | Yasushi Hashizume | 1997-02-18 |
| 5566104 | Memory cell layout structure for a semiconductor memory device | — | 1996-10-15 |
| 5436477 | Semiconductor memory device with high dielectric capacitor structure | Yasushi Hashizume | 1995-07-25 |