Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469338 | Non-volatile semiconductor memory device and manufacturing method thereof | Kiyoteru Kobayashi | 2002-10-22 |
| 6459121 | Method for producing non-violatile semiconductor memory device and the device | Osamu Sakamoto, Satoshi Shimizu | 2002-10-01 |
| 6441444 | Semiconductor device having a nitride barrier for preventing formation of structural defects | Kiyoteru Kobayashi | 2002-08-27 |