Issued Patents 2011
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8077514 | Semiconductor memory device capable of memorizing multivalued data | — | 2011-12-13 |
| 8004889 | Semiconductor memory device capable of lowering a write voltage | — | 2011-08-23 |
| 7995392 | Semiconductor memory device capable of shortening erase time | — | 2011-08-09 |
| 7978514 | Semiconductor memory device for storing multivalued data | Tomoharu Tanaka | 2011-07-12 |
| 7969784 | Nonvolatile semiconductor memory having plural data storage portions for a bit line connected to memory cells | Ken Takeuchi, Tomoharu Tanaka | 2011-06-28 |
| 7933152 | Semiconductor memory device capable of increasing writing speed | Kenichi Imamiya | 2011-04-26 |
| 7929352 | High-speed verifiable semiconductor memory device | — | 2011-04-19 |
| 7916534 | Semiconductor memory device | Takahiro Shimizu | 2011-03-29 |
| 7908529 | Flash memory | Tomoharu Tanaka, Toru Tanzawa | 2011-03-15 |
| 7894259 | Nonvolatile semiconductor memory device with first and second write sequences controlled by a command or an address | Tomoharu Tanaka | 2011-02-22 |
| 7872910 | Non-volatile semiconductor storage system | Mitsuaki Honma, Hironori Uchikawa | 2011-01-18 |
| 7869280 | Semiconductor memory device realizing a channel voltage control scheme adopting dummy cells with threshold voltage higher than threshold voltage of erased memory cells and method thereof | Yasukazu Kosaki | 2011-01-11 |
| 7864592 | Nonvolatile semiconductor memory having plural data storage portions for a bit line connected to memory cells | Ken Takeuchi, Tomoharu Tanaka | 2011-01-04 |