Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5719520 | Multi-valued ROM circuit #7 | Tadashi Shibata, Tadahiro Ohmi | 1998-02-17 |
| 5684738 | Analog semiconductor memory device having multiple-valued comparators and floating-gate transistor | Tadashi Shibata, Tadahiro Ohmi | 1997-11-04 |