Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5350708 | Method of making dynamic random access semiconductor memory device | Katsuhiko Hieda, Akihiro Nitayama, Fumio Horiguchi | 1994-09-27 |
| 5250830 | Dynamic type semiconductor memory device and its manufacturing method | Katsuhiko Hieda, Akihiro Nitayama, Fumio Horiguchi | 1993-10-05 |