Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8617951 | Method of manufacturing a semiconductor memory device having a floating gate | Tomokazu Matsuzaki, Makoto Sasaki | 2013-12-31 |
| 8580662 | Manufacture method of a split gate nonvolatile memory cell | — | 2013-11-12 |
| 8461638 | Non-volatile semiconductor memory device | — | 2013-06-11 |
| 6380020 | Method for fabricating a semiconductor device having a device isolation insulating film | — | 2002-04-30 |