Issued Patents All Time
Showing 176–200 of 280 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 7855914 | Semiconductor memory device capable of suppressing peak current | — | 2010-12-21 |
| 7843723 | Semiconductor memory device capable of reading data reliably | — | 2010-11-30 |
| 7839686 | Semiconductor memory device capable of executing high-speed read | — | 2010-11-23 |
| 7817468 | Semiconductor storage device provided with memory cell having charge accumulation layer and control gate | Katsuaki Isobe | 2010-10-19 |
| 7813174 | Semiconductor memory device for storing multivalued data | Tomoharu Tanaka | 2010-10-12 |
| 7813171 | Semiconductor memory device | Kazunori Kanebako | 2010-10-12 |
| 7813170 | Semiconductor memory device capable of memorizing multivalued data | — | 2010-10-12 |
| 7808821 | Nonvolatile semiconductor memory including memory cell for storing multilevel data having two or more values | Mikio Ogawa, Katsuaki Isobe, Yoshikazu Takeyama, Mitsuaki Honma | 2010-10-05 |
| 7782670 | Semiconductor memory device for storing multivalued data | Tomoharu Tanaka | 2010-08-24 |
| 7768829 | Semiconductor memory device for storing multilevel data | — | 2010-08-03 |
| 7768830 | Semiconductor memory device capable of correcting a read level properly | Hiroshi Sukegawa | 2010-08-03 |
| 7760549 | Nonvolatile semiconductor memory device | Katsuaki Isobe | 2010-07-20 |
| 7751243 | Semiconductor memory device provided with MOS transistor having charge accumulation layer and control gate and data write method of NAND flash memory | Katsuaki Isobe | 2010-07-06 |
| 7738302 | Semiconductor memory device with stores plural data in a cell | Tomoharu Tanaka | 2010-06-15 |
| 7679959 | Semiconductor memory device which generates voltages corresponding to a plurality of threshold voltages | — | 2010-03-16 |
| 7663919 | Semiconductor memory device capable of increasing writing speed | Kenichi Imamiya | 2010-02-16 |
| 7656225 | Voltage generation circuit and semiconductor memory device including the same | Katsuaki Isobe | 2010-02-02 |
| 7656711 | Semiconductor memory system including a plurality of semiconductor memory devices | Hiroshi Sukegawa | 2010-02-02 |
| 7644342 | Semiconductor memory device | — | 2010-01-05 |