Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469339 | Semiconductor memory with voids for suppressing crystal defects | Satoshi Shimizu | 2002-10-22 |
| 6417540 | Non-volatile semiconductor memory device and method for manufacturing the same | Tsuyoshi Sugihara, Satoshi Shimizu | 2002-07-09 |