Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335505 | Method of manufacturing semiconductor memory device having memory cell elements composed of a transistor and a capacitor | Hiroshi Shibata | 1982-06-22 |
| 4322881 | Method for manufacturing semiconductor memory devices | Hiroshi Shibata | 1982-04-06 |