Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11482833 | Light emitting device | Hiroaki Onuma, Toshio Hata | 2022-10-25 |
| 8297826 | Backlight unit and display device including the same | Kenichi Murakoshi, Tsuyoshi Ono, Hidekazu Fujii, Makoto Hirota | 2012-10-30 |
| 7038951 | Non-volatile semiconductor memory device and erasing control method thereof | Shuichiro Kouchi | 2006-05-02 |
| 6937520 | Nonvolatile semiconductor memory device | Tsuyoshi Ono, Masahiko Watanabe, Sau C. Wong | 2005-08-30 |
| 6912161 | Nonvolatile semiconductor memory device | Yasumichi Mori, Shuichiro Kouchi | 2005-06-28 |
| 6831858 | Non-volatile semiconductor memory device and data write control method for the same | Shuichiro Kouchi | 2004-12-14 |
| 6768676 | Nonvolatile semiconductor memory device | — | 2004-07-27 |
| 6747901 | Nonvolatile semiconductor memory device capable of preventing occurrence of latch-up | — | 2004-06-08 |
| 6735125 | Nonvolatile semiconductor memory device and method of erasing the same | — | 2004-05-11 |
| 6714459 | Nonvolatile semiconductor memory device and method of detecting overerased cell | — | 2004-03-30 |
| 6711058 | Erase method for nonvolatile semiconductor storage device and row decoder circuit for fulfilling the method | — | 2004-03-23 |
| 6657898 | Nonvolatile semiconductor memory device and data erase method therefor | — | 2003-12-02 |
| 6608782 | Booster circuit capable of achieving a stable pump operation for nonvolatile semiconductor memory device | — | 2003-08-19 |
| 6549465 | Nonvolatile semiconductor memory well voltage setting circuit without latchup and semiconductor memory device provided with the circuit | Shuichiro Kouchi, Yoshihisa Sekiguchi | 2003-04-15 |
| 6542410 | Nonvolatile semiconductor memory device capable of reducing pre-erase write time and erase method therefor | — | 2003-04-01 |
| 6483752 | Erase method for nonvolatile semiconductor memory device | — | 2002-11-19 |
| 6445622 | Voltage level shifter circuit and nonvolatile semiconductor storage device using the circuit | — | 2002-09-03 |
| 6442075 | Erasing method for nonvolatile semiconductor memory device capable of improving a threshold voltage distribution | — | 2002-08-27 |
| 6433582 | Voltage level shifter circuit | — | 2002-08-13 |
| 6426894 | Method and circuit for writing data to a non-volatile semiconductor memory device | — | 2002-07-30 |
| 6404681 | Method for erasing data from a non-volatile semiconductor memory device | — | 2002-06-11 |
| 6331949 | Circuit for storing and latching defective address data for a nonvolatile semiconductor memory device having redundant function | — | 2001-12-18 |
| 6256228 | Method for erasing nonvolatile semiconductor storage device capable of preventing erroneous reading | — | 2001-07-03 |
| 6198659 | Defective address data storage circuit for nonvolatile semiconductor memory device having redundant function and method of writing defective address data | — | 2001-03-06 |
| 6195287 | Data programming method for a nonvolatile semiconductor storage | — | 2001-02-27 |