Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7961516 | NAND flash memory and memory system | — | 2011-06-14 |
| 7916541 | NAND flash memory | Hiroshi Maejima | 2011-03-29 |
| 7907436 | Nonvolatile semiconductor storage device and data writing method therefor | Hiroshi Maejima, Hideo Mukai | 2011-03-15 |
| 7876626 | Semiconductor memory device and semiconductor memory system | Hideo Mukai, Hiroshi Maejima, Satoru Takase, Naoya Tokiwa | 2011-01-25 |
| 7817468 | Semiconductor storage device provided with memory cell having charge accumulation layer and control gate | Noboru Shibata | 2010-10-19 |
| 7808821 | Nonvolatile semiconductor memory including memory cell for storing multilevel data having two or more values | Mikio Ogawa, Yoshikazu Takeyama, Mitsuaki Honma, Noboru Shibata | 2010-10-05 |
| 7800935 | Resistance change memory device | Hiroshi Maejima, Naoya Tokiwa, Satoru Takase, Yasuyuki Fukuda, Hideo Mukai +1 more | 2010-09-21 |
| 7760549 | Nonvolatile semiconductor memory device | Noboru Shibata | 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 | Noboru Shibata | 2010-07-06 |
| 7697333 | NAND flash memory | — | 2010-04-13 |
| 7660157 | NAND flash memory | Hiroshi Maejima | 2010-02-09 |
| 7656225 | Voltage generation circuit and semiconductor memory device including the same | Noboru Shibata | 2010-02-02 |
| 7616493 | Non-volatile semiconductor memory device | Masatsugu Kojima | 2009-11-10 |
| 7558126 | Nonvolatile semiconductor memory device | Mikio Ogawa | 2009-07-07 |
| 7554849 | Nonvolatile semiconductor memory | Mitsuaki Honma | 2009-06-30 |
| 7518406 | Current supply circuit, ring oscillator, nonvolatile semiconductor device and electronic card and electronic device | — | 2009-04-14 |
| 7518922 | NAND type flash memory | Hiroshi Maejima, Takumi Abe, Ken Takeuchi | 2009-04-14 |
| 7505314 | Semiconductor storage device provided with memory cell having charge accumulation layer and control gate | Noboru Shibata | 2009-03-17 |
| 7388790 | Semiconductor memory device and dynamic latch refresh method thereof | Hiroshi Maejima, Noboru Shibata | 2008-06-17 |
| 7345913 | Semiconductor memory device | — | 2008-03-18 |
| 7248502 | Non-volatile semiconductor memory device | Masatsugu Kojima | 2007-07-24 |
| 7236409 | Semiconductor memory device provided with constant-current circuit having current trimming function | — | 2007-06-26 |
| 7190234 | Current supply circuit, ring oscillator, nonvolatile semiconductor device and electronic card and electronic device | — | 2007-03-13 |
| 6731149 | Synchronizing circuit for generating a signal synchronizing with a clock signal | Tsuneo Inaba, Hironobu Akita | 2004-05-04 |
| 6608514 | Clock signal generator circuit and semiconductor integrated circuit with the same circuit | Hironobu Akita, Masaharu Wada, Kenji Tsuchida, Haruki Toda | 2003-08-19 |