Issued Patents All Time
Showing 201–225 of 280 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7636261 | Semiconductor memory device capable of high-speed cache read operation | — | 2009-12-22 |
| 7613046 | Nonvolatile semiconductor memory device carrying out simultaneous programming of memory cells | Tomoharu Tanaka | 2009-11-03 |
| 7593260 | Semiconductor memory device for storing multivalued data | Tomoharu Tanaka | 2009-09-22 |
| 7593267 | Method of writing data to a semiconductor memory device | Masaki Fujiu, Hiroshi Sukegawa | 2009-09-22 |
| 7589997 | Non-volatile semiconductor memory device that performs data allocation | Mitsuaki Honma, Shinji Saito | 2009-09-15 |
| 7573750 | High-speed verifiable semiconductor memory device | — | 2009-08-11 |
| 7554862 | High-speed writable semiconductor memory device | — | 2009-06-30 |
| 7551485 | Semiconductor memory device | Mitsuaki Honma | 2009-06-23 |
| 7525839 | Semiconductor memory device capable of correcting a read level properly | Hiroshi Sukegawa | 2009-04-28 |
| 7508704 | Non-volatile semiconductor storage system | Mitsuaki Honma, Hironori Uchikawa | 2009-03-24 |
| 7509566 | Flash memory | Tomoharu Tanaka, Toru Tanzawa | 2009-03-24 |
| 7505335 | Nonvolatile semiconductor memory device | — | 2009-03-17 |
| 7505314 | Semiconductor storage device provided with memory cell having charge accumulation layer and control gate | Katsuaki Isobe | 2009-03-17 |
| 7505315 | Nonvolatile semiconductor storage apparatus | Mitsuaki Honma | 2009-03-17 |
| 7505318 | Nonvolatile semiconductor memory device | Yasuyuki Fukuda | 2009-03-17 |
| 7483304 | Semiconductor memory device capable of setting a negative threshold voltage | — | 2009-01-27 |
| 7471559 | Semiconductor memory device for storing multilevel data | — | 2008-12-30 |
| 7460402 | Semiconductor memory device which generates voltages corresponding to a plurality of threshold voltages | — | 2008-12-02 |
| 7443724 | Semiconductor memory device for storing multivalued data | Tomoharu Tanaka | 2008-10-28 |
| 7443734 | Semiconductor memory device with a voltage generating circuit which generates a plurality of voltages using a small number of items of data | — | 2008-10-28 |
| 7440325 | High-speed verifiable semiconductor memory device | — | 2008-10-21 |
| 7411824 | Semiconductor memory device capable of increasing writing speed | Kenichi Imamiya | 2008-08-12 |
| 7394691 | Semiconductor memory device which prevents destruction of data | Hiroshi Sukegawa | 2008-07-01 |
| 7394695 | Nonvolatile semiconductor memory having plural data storage portions for a bit line connected to memory cells | Ken Takeuchi, Tomoharu Tanaka | 2008-07-01 |
| 7388790 | Semiconductor memory device and dynamic latch refresh method thereof | Hiroshi Maejima, Katsuaki Isobe | 2008-06-17 |