Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5361225 | Nonvolatile memory device utilizing field effect transistor having ferroelectric gate film | — | 1994-11-01 |
| 5332915 | Semiconductor memory apparatus | Noriyuki Shimoji, Hironobu Nakao | 1994-07-26 |
| 5319229 | Semiconductor nonvolatile memory with wide memory window and long data retention time | Noriyuki Shimoji, Hironobu Nakao | 1994-06-07 |
| 5286994 | Semiconductor memory trap film assembly having plural laminated gate insulating films | Noriyuki Shimoji | 1994-02-15 |