Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646303 | Nonvolatile semiconductor memory device and a method of manufacturing the same | Masahito Takahashi, Takayuki Yoshitake | 2003-11-11 |
| 6580643 | Nonvolatile semiconductor storage device and method for operating the same | Takayuki Kawahara | 2003-06-17 |