Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671174 | Ferroelectric memory device | Hiroki Koike | 1997-09-23 |
| 5615144 | Non-volatile ferroelectric memory device with leakage preventing function | Hiroki Koike | 1997-03-25 |
| 5610852 | Ferroelectric memory and method for controlling operation of the same | Hiroki Koike, Tetsuya Otsuki, Masahide Takada | 1997-03-11 |