Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8625349 | Potential relationship in an erasing operation of a nonvolatile semiconductor memory | Kenji Gomikawa, Mitsuhiro Noguchi, Kikuko Sugimae, Masato Endo, Takuya Futatsuyama +2 more | 2014-01-07 |
| 8604517 | Non-volatile semiconductor memory device for suppressing deterioration in junction breakdown voltage and surface breakdown voltage of transistor | Mitsuhiro Noguchi, Masato Endo | 2013-12-10 |
| 8546909 | Nonvolatile semiconductor memory device having air gap proximate to element isolation region and method of manufacturing the same | Mitsuhiko Noda, Mitsuhiro Noguchi | 2013-10-01 |
| 8525246 | Semiconductor storage device and method of manufacturing the same | Yoshiko Kato, Kikuko Sugimae, Yasuhiko Matsunaga | 2013-09-03 |
| 8502321 | Semiconductor device and manufacturing method thereof | Tatsuo Izumi, Kikuko Sugimae, Keisuke Yonehama | 2013-08-06 |
| 8482095 | High-voltage transistor having shielding gate | Kikuko Sugimae, Takeshi Kamigaichi | 2013-07-09 |
| 8400812 | Semiconductor memory device | Kikuko Sugimae, Mitsuhiro Noguchi | 2013-03-19 |
| 8399953 | Semiconductor device and method for manufacturing the same | Kenji Gomikawa, Yoshiko Kato, Norihisa Arai, Tomoaki Hatano | 2013-03-19 |
| 8369144 | Semiconductor device and method of manufacturing the same | Kikuko Sugimae | 2013-02-05 |
| 8334557 | Nonvolatile semiconductor storage device including a transfer transistor | — | 2012-12-18 |
| 8319316 | Depletion MOS transistor and enhancement MOS transistor | Kenji Gomikawa, Yoshiko Kato, Mitsuhiro Noguchi, Masato Endo | 2012-11-27 |
| 8294238 | Nonvolatile semiconductor memory device with reduced size of peripheral circuit area | Takayuki Toba, Yoshiko Kato, Kenji Gomikawa, Haruhiko Koyama | 2012-10-23 |
| 8294221 | Semiconductor memory device | Yoshiko Kato, Masayuki Ichige | 2012-10-23 |
| 8283717 | Semiconductor storage device | Junya Matsunami | 2012-10-09 |
| 8232608 | Semiconductor device and method for manufacturing semiconductor device | Yoshiko Kato | 2012-07-31 |
| 8072020 | Nonvolatile semiconductor memory device | Kenji Gomikawa, Yoshiko Kato, Mitsuhiro Noguchi | 2011-12-06 |
| 7939908 | High-voltage transistor having shielding gate | Kikuko Sugimae, Takeshi Kamigaichi | 2011-05-10 |
| 7911844 | Non-volatile semiconductor storage device | Dai Nakamura, Kenji Gomikawa, Takeshi Shimane, Mitsuhiro Noguchi, Koji Hosono +2 more | 2011-03-22 |
| 7898854 | Semiconductor memory device and method of preliminary data writing to select memory cell transistors | — | 2011-03-01 |
| 7825497 | Method of manufacture of contact plug and interconnection layer of semiconductor device | Yasuhiko Matsunaga, Shoichi Miyazaki | 2010-11-02 |
| 7781822 | Nonvolatile semiconductor memory | Takeshi Kamigaichi, Kikuko Sugimae | 2010-08-24 |
| 7615485 | Method of manufacture of contact plug and interconnection layer of semiconductor device | Yasuhiko Matsunaga, Shoichi Miyazaki | 2009-11-10 |
| 7583533 | Semiconductor device with high-breakdown-voltage transistors | Kikuko Ishida | 2009-09-01 |
| 7504294 | Method of manufacturing an electrically erasable programmable read-only memory (EEPROM) | Kikuko Sugimae, Masayuki Ichige, Michiharu Matsui, Yuji Takeuchi, Riichiro Shirota | 2009-03-17 |
| 7417281 | Semiconductor device with a selection gate and a peripheral gate | Kikuko Sugimae, Masayuki Ichige, Michiharu Matsui, Yuji Takeuchi, Riichiro Shirota | 2008-08-26 |