Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6459630 | Semiconductor memory device having replacing defective columns with redundant columns | Atsushi Nakayama | 2002-10-01 |
| 6429521 | Semiconductor integrated circuit device and its manufacturing method | Osamu Wada, Tomoaki Yabe, Shinji Miyano | 2002-08-06 |