Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7936617 | Nonvolatile semiconductor memory device | — | 2011-05-03 |
| 7880214 | Nonvolatile semiconductor device | Kohji Kanamori | 2011-02-01 |
| 7733728 | Non-volatile semiconductor memory device | — | 2010-06-08 |
| 7671399 | Semiconductor storage device | Kohji Kanamori, Kazuhiko Sanada | 2010-03-02 |
| 7453117 | Non-volatile semiconductor memory device | Kohji Kanamori | 2008-11-18 |
| 6937515 | Semiconductor memory device | Hiroshi Sugawara, Naoichi Kawaguchi | 2005-08-30 |
| 6456549 | Sense amplifier circuit and semiconductor storage device | Hiroyuki Takahashi | 2002-09-24 |
| 6456548 | Sense amplifier circuit and semiconductor storage device | Hiroyuki Takahashi | 2002-09-24 |
| 6400601 | Nonvolatile semiconductor memory device | Satoshi Katagiri | 2002-06-04 |
| 6339549 | Semiconductor storage apparatus having main bit line and sub bit line | Toshikatsu Jinbo, Hiroyuki Takahashi, Kazuo Watanabe, Koji Naganawa, Hironori Nakamura | 2002-01-15 |
| 6320455 | Boost circuit | — | 2001-11-20 |
| 6301180 | Sense amplifier circuit and semiconductor storage device | Hiroyuki Takahashi | 2001-10-09 |
| 6215352 | Reference voltage generating circuit with MOS transistors having a floating gate | — | 2001-04-10 |
| 6198685 | Word-line driving circuit and semiconductor memory device | Hiroyuki Takahashi, Toshikatsu Jinbo, Kazuo Watanabe, Koji Naganawa, Hironori Nakamura | 2001-03-06 |
| 6141262 | Boosting circuit with boosted voltage limited | — | 2000-10-31 |
| 6094374 | Nonvolatile semiconductor memory device including sense amplifier having verification circuit | — | 2000-07-25 |
| 5831844 | High voltage generating circuit able to generate positive high voltage and negative high voltage at the same time | — | 1998-11-03 |
| 5812018 | Voltage booster circuit | Toshio Takeshima | 1998-09-22 |
| 5659503 | Nonvolatile semiconductor memory having an improved reference voltage generating circuit | Toshio Takeshima | 1997-08-19 |