Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7428174 | Semiconductor flash memory | Yasuhiko Taito, Naoki Otani, Kenji Koda | 2008-09-23 |
| 7414912 | Semiconductor flash memory | Yasuhiko Taito, Naoki Otani, Kenji Koda | 2008-08-19 |
| 7379345 | Nonvolatile semiconductor memory device that achieves speedup in read operation | — | 2008-05-27 |
| 7263002 | Nonvolatile semiconductor memory device that achieves speedup in read operation | — | 2007-08-28 |
| 7251165 | Semiconductor flash memory | Yasuhiko Taito, Naoki Otani, Kenji Koda | 2007-07-31 |
| 7154787 | Semiconductor memory and control method thereof allowing high degree of accuracy in verify operation | — | 2006-12-26 |
| 6538930 | Charge pump circuit for generating positive and negative voltage with reverse current prevention circuit and a nonvolatile memory using the same | Motoharu Ishii | 2003-03-25 |
| 5043788 | Semiconductor device with functional portions having different operating voltages on one semiconductor substrate | Kazuaki Miyata | 1991-08-27 |
| 4990982 | Semiconductor device of high breakdown voltage | Kazuaki Miyata | 1991-02-05 |