Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804164 | Low-power consumption semiconductor memory device | Takeshi Fujino, Hiroki Shimano | 2004-10-12 |
| 6785157 | Semiconductor memory device having a memory cell structure of reduced occupying area | Hiroki Shimano | 2004-08-31 |
| 6781915 | Semiconductor memory device | Hiroki Shimano | 2004-08-24 |
| 6744684 | Semiconductor memory device with simple refresh control | Hiroki Shimano | 2004-06-01 |