Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9059300 | Nonvolatile semiconductor memory device having element isolating region of trench type | Seiichi Mori, Riichiro Shirota, Yuji Takeuchi, Takeshi Kamigaichi | 2015-06-16 |
| 8421143 | Nonvolatile semiconductor memory device having element isolating region of trench type | Seiichi Mori, Riichiro Shirota, Yuji Takeuchi, Takeshi Kamigaichi | 2013-04-16 |
| 8405139 | Nonvolatile semiconductor memory device having element isolating region of trench type | Seiichi Mori, Riichiro Shirota, Yuji Takeuchi, Takeshi Kamigaichi | 2013-03-26 |
| 7939406 | Nonvolatile semiconductor memory device having element isolating region of trench type | Seiichi Mori, Riichiro Shirota, Yuji Takeuchi, Takeshi Kamigaichi | 2011-05-10 |
| 7573092 | Nonvolatile semiconductor memory device having element isolating region of trench type | Seiichi Mori, Riichiro Shirota, Yuji Takeuchi, Takeshi Kamigaichi | 2009-08-11 |
| 7538380 | Nonvolatile semiconductor memory device having element isolating region of trench type | Seiichi Mori, Riichiro Shirota, Yuji Takeuchi, Takeshi Kamigaichi | 2009-05-26 |
| 7504294 | Method of manufacturing an electrically erasable programmable read-only memory (EEPROM) | Kikuko Sugimae, Hiroyuki Kutsukake, Masayuki Ichige, Yuji Takeuchi, Riichiro Shirota | 2009-03-17 |
| 7449745 | Nonvolatile semiconductor memory device having element isolating region of trench type | Seiichi Mori, Riichiro Shirota, Yuji Takeuchi, Takeshi Kamigaichi | 2008-11-11 |
| 7417281 | Semiconductor device with a selection gate and a peripheral gate | Kikuko Sugimae, Hiroyuki Kutsukake, Masayuki Ichige, Yuji Takeuchi, Riichiro Shirota | 2008-08-26 |
| 7382016 | Semiconductor device and method of manufacturing the same | Seiichi Mori | 2008-06-03 |
| 7352027 | Nonvolatile semiconductor memory device having element isolating region of trench type | Seiichi Mori, Riichiro Shirota, Yuji Takeuchi, Takeshi Kamigaichi | 2008-04-01 |
| 7348627 | Nonvolatile semiconductor memory device having element isolating region of trench type | Seiichi Mori, Riichiro Shirota, Yuji Takeuchi, Takeshi Kamigaichi | 2008-03-25 |
| 7049653 | Nonvolatile semiconductor memory device having element isolating region of trench type | Seiichi Mori, Riichiro Shirota, Yuji Takeuchi, Takeshi Kamigaichi | 2006-05-23 |
| 7045423 | Non-volatile semiconductor memory device with multi-layer gate structure | Masayuki Ichige, Yuji Takeuchi, Atsuhiro Sato, Kikuko Sugimae, Riichiro Shirota | 2006-05-16 |
| 6998673 | Semiconductor device and method of manufacturing the same | Seiichi Mori | 2006-02-14 |
| 6969660 | Method of manufacturing a semiconductor device with trench isolation between two regions having different gate insulating films | Akira Goda, Mitsuhiro Noguchi, Yuji Takeuchi, Hiroaki Hazama | 2005-11-29 |
| 6927449 | Nonvolatile semiconductor memory device having element isolating region of trench type | Seiichi Mori, Riichiro Shirota, Yuji Takeuchi, Takeshi Kamigaichi | 2005-08-09 |
| 6902976 | Semiconductor device and method of manufacturing the same | Seiichi Mori | 2005-06-07 |
| 6894341 | Semiconductor device and manufacturing method | Kikuko Sugimae, Hiroyuki Kutsukake, Masayuki Ichige, Yuji Takeuchi, Riichiro Shirota | 2005-05-17 |
| 6853029 | Non-volatile semiconductor memory device with multi-layer gate structure | Masayuki Ichige, Yuji Takeuchi, Atsuhiro Sato, Kikuko Sugimae, Riichiro Shirota | 2005-02-08 |
| 6844590 | Semiconductor device with trench isolation between two regions having different gate insulating films | Akira Goda, Mitsuhiro Noguchi, Yuji Takeuchi, Hiroaki Hazama | 2005-01-18 |
| 6835978 | Nonvolatile semiconductor memory device having element isolating region of trench type | Seiichi Mori, Riichiro Shirota, Yuji Takeuchi, Takeshi Kamigaichi | 2004-12-28 |
| 6661052 | Semiconductor device and method of manufacturing the same | Seiichi Mori | 2003-12-09 |
| 6441427 | NOR-type flash memory and method for manufacturing the same | Seiji Yamada | 2002-08-27 |
| 5559736 | Non-volatile semiconductor memory device capable of preventing excessive-writing | Naohiro Matsukawa, Keniti Imamiya, Toshiharu Watanabe | 1996-09-24 |