Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879687 | Memory device having valid bit storage units to be reset in batch | Tadashi Okamoto, Jiro Miyake, Ichiro Okabayashi, Yoshinori Maeda | 1989-11-07 |
| 4823313 | Memory device with comparison function | — | 1989-04-18 |