Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496411 | Non-volatile multi-level semiconductor flash memory device and method of driving same | Naoki Yamada, Hiroshi Sato, Tetsuya Tsujikawa | 2002-12-17 |
| 6335878 | Non-volatile multi-level semiconductor flash memory device and method of driving same | Naoki Yamada, Hiroshi Sato, Tetsuya Tsujikawa | 2002-01-01 |
| 6335884 | Semiconductor memory device and defect remedying method thereof | Kazuhiko Kajigaya, Manabu Tsunozaki, Kazuyoshi Oshima, Takashi Yamazaki, Yuji Sakai +17 more | 2002-01-01 |