Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7382653 | Electrically rewritable non-volatile semiconductor memory device | Fumitaka Arai | 2008-06-03 |
| 7371654 | Manufacturing method of semiconductor device with filling insulating film into trench | Atsuhiro Sato, Seiichi Mori, Yuji Takeuchi, Hiroaki Hazama, Yukio Nishiyama +2 more | 2008-05-13 |
| 7365018 | Fabrication of semiconductor device for flash memory with increased select gate width | Masaaki Higashitani, Tuan Pham, Koji Hashimoto, Satoshi Tanaka, Kikuko Sugimae | 2008-04-29 |
| 7361951 | Flash memory having memory section and peripheral circuit section | Riichiro Shirota, Kikuko Sugimae, Atsuhiro Sato, Hiroaki Hazama | 2008-04-22 |
| 7151686 | Semiconductor memory device and electric device with the same | Kikuko Sugimae, Takuya Futatsuyama, Riichiro Shirota | 2006-12-19 |
| 7141474 | Fabrication method of a nonvolatile semiconductor memory | Koji Hashimoto, Tatsuaki Kuji, Seiichi Mori, Riichiro Shirota, Yuji Takeuchi +1 more | 2006-11-28 |
| 7082055 | Semiconductor integrated circuit device | Riichiro Shirota, Kikuko Sugimae | 2006-07-25 |
| 7067872 | Semiconductor memory device equipped with memory transistor and peripheral transistor and method of manufacturing the same | Kikuko Sugimae, Riichiro Shirota | 2006-06-27 |
| 7045423 | Non-volatile semiconductor memory device with multi-layer gate structure | Yuji Takeuchi, Michiharu Matsui, Atsuhiro Sato, Kikuko Sugimae, Riichiro Shirota | 2006-05-16 |
| 6995425 | Semiconductor memory device having memory cell section and peripheral circuit section and method of manufacturing the same | Riichiro Shirota, Yuji Takeuchi, Kikuko Sugimae | 2006-02-07 |
| 6977409 | Flash memory having memory section and peripheral circuit section | Riichiro Shirota, Kikuko Sugimae, Atsuhiro Sato, Hiroaki Hazama | 2005-12-20 |
| 6925008 | Non-volatile semiconductor memory device with a memory unit including not more than two memory cell transistors | Riichiro Shirota, Kikuko Sugimae | 2005-08-02 |
| 6921960 | Capacitor element with an opening portion formed in a peripheral circuit | Riichiro Shirota, Kikuko Sugimae, Atsuhiro Sato, Yuji Takeuchi | 2005-07-26 |
| 6894341 | Semiconductor device and manufacturing method | Kikuko Sugimae, Hiroyuki Kutsukake, Michiharu Matsui, Yuji Takeuchi, Riichiro Shirota | 2005-05-17 |
| 6878985 | Nonvolatile semiconductor memory device having a memory cell that includes a floating gate electrode and control gate electrode | Fumitaka Arai, Riichiro Shirota, Toshitake Yaegashi, Akira Shimizu, Yasuhiko Matsunaga +1 more | 2005-04-12 |
| 6853029 | Non-volatile semiconductor memory device with multi-layer gate structure | Yuji Takeuchi, Michiharu Matsui, Atsuhiro Sato, Kikuko Sugimae, Riichiro Shirota | 2005-02-08 |
| 6845042 | Nonvolatile semiconductor memory, fabrication method for the same, semiconductor integrated circuits and systems | Koji Hashimoto, Tatsuaki Kuji, Seiichi Mori, Riichiro Shirota, Yuji Takeuchi +1 more | 2005-01-18 |
| 6798038 | Manufacturing method of semiconductor device with filling insulating film into trench | Atsuhiro Sato, Seiichi Mori, Yuji Takeuchi, Hiroaki Hazama, Yukio Nishiyama +2 more | 2004-09-28 |
| 6784041 | Semiconductor device and method of manufacturing the same | Yuji Takeuchi, Akira Goda | 2004-08-31 |
| 6720612 | Semiconductor device | Yuji Takeuchi, Akira Goda | 2004-04-13 |
| 6667507 | Flash memory having memory section and peripheral circuit section | Riichiro Shirota, Kikuko Sugimae, Atsuhiro Sato, Hiroaki Hazama | 2003-12-23 |
| 6590255 | Semiconductor memory device having memory cell section and peripheral circuit section and method of manufacturing the same | Riichiro Shirota, Yuji Takeuchi, Kikuko Sugimae | 2003-07-08 |