Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657901 | Semiconductor device formed in a rectangle region on a semiconductor substrate including a voltage generating circuit | Kazuhiko Kajigaya, Manabu Tsunozaki, Kazuyoshi Oshima, Takashi Yamazaki, Yuji Sakai +17 more | 2003-12-02 |
| 6590808 | Non-volatile multi-level semiconductor flash memory device and method of driving same | Naoki Yamada, Hiroshi Sato, Tetsuya Tsujikawa | 2003-07-08 |
| 6515913 | Semiconductor memory device and defect remedying method thereof | Kazuhiko Kajigaya, Manabu Tsunozaki, Kazuyoshi Oshima, Takashi Yamazaki, Yuji Sakai +17 more | 2003-02-04 |