Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6750520 | Two-bit semiconductor memory with enhanced carrier trapping | Hideo Kurihara, Mitsuteru Iijima, Kiyoshi Itano | 2004-06-15 |
| 6510090 | Semiconductor memory device | — | 2003-01-21 |
| 6252800 | Semiconductor memory device | — | 2001-06-26 |
| 5898615 | Semiconductor memory device having non-volatile memory cells connected in series | — | 1999-04-27 |
| 5519652 | Nonvolatile semiconductor memory for positively holding stored data | Sinsuke Kumakura, Yasushige Ogawa, Takao Akaogi | 1996-05-21 |