Issued Patents 2005
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |