Issued Patents All Time
Showing 126–150 of 280 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8743607 | Semiconductor memory device for storing multivalued data | Tomoharu Tanaka | 2014-06-03 |
| 8732466 | Semiconductor memory device | Yuji Nagai, Toshihiro Suzuki, Taku Kato, Tatsuyuki Matsushita | 2014-05-20 |
| 8730741 | Semiconductor memory system capable of suppressing consumption current | Hiroshi Sukegawa, Tokumasa Hara | 2014-05-20 |
| 8687420 | Nonvolatile semiconductor memory device | Kazunori Kanebako | 2014-04-01 |
| 8634557 | Semiconductor storage device | Yuji Nagai, Toshihiro Suzuki, Taku Kato, Tatsuyuki Matsushita | 2014-01-21 |
| 8625356 | High-speed verifiable semiconductor memory device | — | 2014-01-07 |
| 8619468 | Semiconductor memory device for storing multivalued data | Tomoharu Tanaka | 2013-12-31 |
| 8605500 | Multilevel nonvolatile semiconductor memory system | Naoki Kobayashi, Mitsuaki Honma | 2013-12-10 |
| 8593880 | Semiconductor memory system including a plurality of semiconductor memory devices | Hiroshi Sukegawa | 2013-11-26 |
| 8559236 | Nonvolatile semiconductor memory device which performs improved erase operation | Jun Nakai | 2013-10-15 |
| 8542538 | Semiconductor memory device which stores plural data in a cell | Tomoharu Tanaka | 2013-09-24 |
| 8514640 | Nonvolatile semiconductor memory device | Makoto Miakashi, Katsuaki Isobe | 2013-08-20 |
| 8482976 | Semiconductor memory device and semiconductor memory system storing multilevel data | — | 2013-07-09 |
| 8432748 | Semiconductor memory device capable of memorizing multivalued data | — | 2013-04-30 |
| 8416629 | Semiconductor storage device adapted to prevent erroneous writing to non-selected memory cells | Kenri Nakai | 2013-04-09 |
| 8406054 | Semiconductor memory device with improved ECC efficiency | Kazunori Kanebako | 2013-03-26 |
| 8406056 | Semiconductor memory device capable of increasing writing speed | Kenichi Imamiya | 2013-03-26 |
| 8385130 | Semiconductor memory device which stores plural data in a cell | Tomoharu Tanaka | 2013-02-26 |
| 8379444 | Semiconductor memory device capable of accurate reading even when erasure level changes | Kazunori Kanebako | 2013-02-19 |
| 8379445 | Semiconductor storage device capable of reducing erasure time | Kazunori Kanebako | 2013-02-19 |
| 8374030 | Semiconductor memory device capable of suppressing peak current | — | 2013-02-12 |
| 8363468 | Semiconductor memory device | Takahiro Shimizu | 2013-01-29 |
| 8365025 | Flash memory | Tomoharu Tanaka, Toru Tanzawa | 2013-01-29 |
| 8335114 | Semiconductor memory device capable of shortening erase time | — | 2012-12-18 |
| 8331148 | Semiconductor memory device capable of lowering a write voltage | — | 2012-12-11 |