Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7593266 | Semiconductor memory device and method of verifying the same | Makoto Senoo, Shunichi Toyama, Yoshihiro Tsukidate | 2009-09-22 |
| 7499318 | Nonvolatile semiconductor memory device having a management memory capable of suppressing bitline interference during a read operation | Shoichi Kawamura | 2009-03-03 |
| 7307894 | Semiconductor device and control method of the same | Kazuhiro Kurihara, Minoru Yamashita | 2007-12-11 |
| 7224602 | Semiconductor memory device and control method having data protection feature | Minoru Yamashita, Kazuhiro Kurihara, Atsushi Hatakeyama, Hiroaki Wada | 2007-05-29 |
| 7206241 | Semiconductor device and programming method | Yasushi Kasa, Minoru Yamashita, Kazuhiro Kurihara, Hiroaki Wada | 2007-04-17 |
| 6914824 | Non-volatile semiconductor memory that is based on a virtual ground method | Minoru Yamashita, Yuichi Einaga | 2005-07-05 |
| 6496414 | Nonvolatile semiconductor memory | Yasushi Kasa | 2002-12-17 |