Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6195288 | Nonvolatile semiconductor memory device | Kazuo Watanabe | 2001-02-27 |
| 6189081 | Non-volatile semiconductor storage with memory requirement and availability comparison means and method | — | 2001-02-13 |
| 6147909 | Nonvolatile semiconductor memory device | — | 2000-11-14 |
| 5936886 | Semiconductor memory device having reduced variation of erasing and writing voltages supplied to each memory array | Mitsuru Sekiguchi | 1999-08-10 |