Issued Patents All Time
Showing 101–125 of 280 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9391087 | Nonvolatile semiconductor memory device | Hiroshi Sukegawa | 2016-07-12 |
| 9390802 | Semiconductor memory device which stores plural data in a cell | Tomoharu Tanaka | 2016-07-12 |
| 9349442 | Semiconductor memory device | — | 2016-05-24 |
| 9317451 | Nonvolatile semiconductor storage device having encrypting arithmetic device | Toshihiro Suzuki, Hideo Shimizu | 2016-04-19 |
| 9263131 | High-speed readable semiconductor storage device | — | 2016-02-16 |
| 9256525 | Semiconductor memory device including a flag for selectively controlling erasing and writing of confidential information area | Toshihiro Suzuki, Takahiro Shimizu | 2016-02-09 |
| 9230664 | Nonvolatile memory and data writing method | Tokumasa Hara | 2016-01-05 |
| 9224476 | Semiconductor memory device including a NAND string | — | 2015-12-29 |
| 9201811 | Device and authentication method therefor | Yuji Nagai, Taku Kato, Tatsuyuki Matsushita, Toshihiro Suzuki | 2015-12-01 |
| 9190161 | Semiconductor memory device | — | 2015-11-17 |
| 9183936 | Semiconductor memory device for storing multivalued data | Tomoharu Tanaka | 2015-11-10 |
| 9142299 | Semiconductor memory device which stores plural data in a cell | Tomoharu Tanaka | 2015-09-22 |
| 9129688 | Semiconductor memory device capable of reducing chip size | Katsuaki Isobe, Toshiki Hisada | 2015-09-08 |
| 9053043 | Method of error correction of a memory | Tomoharu Tanaka, Toru Tanzawa | 2015-06-09 |
| 9025390 | Nonvolatile semiconductor memory device which performs improved erase operation | Jun Nakai | 2015-05-05 |
| 8984294 | System of authenticating an individual memory device via reading data including prohibited data and readable data | Yuji Nagai, Taku Kato, Tatsuyuki Matsushita, Toshihiro Suzuki | 2015-03-17 |
| 8971130 | Semiconductor memory device capable of shortening erase time | — | 2015-03-03 |
| 8947930 | Semiconductor memory device for storing multivalued data | Tomoharu Tanaka | 2015-02-03 |
| 8908433 | Semiconductor memory system including a plurality of semiconductor memory devices | Hiroshi Sukegawa | 2014-12-09 |
| 8885408 | Nonvolatile semiconductor memory device for rendering the same in a busy state after inputting data therein | Tomoharu Tanaka | 2014-11-11 |
| 8861298 | Semiconductor storage system capable of suppressing peak current | — | 2014-10-14 |
| 8855297 | Device and authentication method therefor | Yuji Nagai, Taku Kato, Tatsuyuki Matsushita, Toshihiro Suzuki | 2014-10-07 |
| 8837213 | Semiconductor memory device which stores multilevel data | — | 2014-09-16 |
| 8812843 | Device and authentication method therefor | Yuji Nagai, Taku Kato, Tatsuyuki Matsushita, Toshihiro Suzuki | 2014-08-19 |
| 8761389 | Memory | Yuji Nagai, Toshihiro Suzuki, Taku Kato, Tatsuyuki Matsushita | 2014-06-24 |