Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686746 | Semiconductor memory device and a method of making the same | — | 1997-11-11 |
| 5663103 | Method of manufacturing an insulated-gate field-effect transistor in a semiconductor device in which source/drain electrodes are defined by formation of silicide on a gate electrode and a field-effect transistor | Takeshi Naganuma | 1997-09-02 |
| 5644151 | Semiconductor memory device and method for fabricating the same | Hirohiko Izumi | 1997-07-01 |
| 5596527 | Electrically alterable n-bit per cell non-volatile memory with reference cells | Yugo Tomioka, Yasuo Sato, Toshio Wada, Kenji Anzai | 1997-01-21 |