Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |