Issued Patents All Time
Showing 101–118 of 118 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7495957 | Nonvolatile memory device having a block erase operation | — | 2009-02-24 |
| 7411830 | Nonvolatile memory cell having current compensated for temperature dependency and data read method thereof | Ken Takeuchi, Koichi Kawai | 2008-08-12 |
| 7379335 | Nonvolatile semiconductor memory device and a method for programming NAND type flash memory | — | 2008-05-27 |
| 7352625 | Semiconductor memory device and memory card | Ken Takeuchi | 2008-04-01 |
| 7327616 | Non-volatile semiconductor memory device | Yasushi Kameda, Ken Takeuchi, Hitoshi Shiga, Koichi Kawai | 2008-02-05 |
| 7313009 | Pattern layout of word line transfer transistors in NAND flash memory which executes subblock erase | — | 2007-12-25 |
| 7274603 | Level shifter circuit and semiconductor memory device using same | Ken Takeuchi | 2007-09-25 |
| 7248493 | Memory system having improved random write performance | Daisaburo Takashima, Shuso Fujii, Takaya Suda, Masaki Momodomi | 2007-07-24 |
| 7177173 | Pattern layout of word line transfer transistors in NAND flash memory which executes subblock erase | — | 2007-02-13 |
| 7173862 | Non-volatile semiconductor memory device, method for sub-block erase and electric device with the same | Kenichi Imamiya, Koji Hosono, Noboru Shibata | 2007-02-06 |
| 7151686 | Semiconductor memory device and electric device with the same | Kikuko Sugimae, Riichiro Shirota, Masayuki Ichige | 2006-12-19 |
| 7142453 | Semiconductor memory device and memory card | — | 2006-11-28 |
| 7133314 | Non-volatile semiconductor memory device with reduced chip real estate area for transfer transistors | Koji Hosono | 2006-11-07 |
| 7099193 | Nonvolatile semiconductor memory device, electronic card and electronic apparatus | — | 2006-08-29 |
| 7057915 | Pattern layout of word line transfer transistors in NAND flash memory which executes subblock erase | — | 2006-06-06 |
| 6903981 | Non-volatile semiconductor memory device, method for sub-block erase and electric device with the same | Kenichi Imamiya, Koji Hosono, Noboru Shibata | 2005-06-07 |
| 6839283 | Non-volatile semiconductor memory device with reduced chip real estate area for transfer transistors | Koji Hosono | 2005-01-04 |
| 6337807 | Electrically erasable and programmable semiconductor memory | Kenichi Imamiya, Tamio Ikehashi | 2002-01-08 |