Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6809946 | Semiconductor memory device and method of controlling the same | Hideyuki Yokou | 2004-10-26 |
| 6807121 | Semiconductor memory device for realizing external 8K Ref/internal 4K Ref standard without lengthening the refresh cycle | Shun Natsui | 2004-10-19 |
| 6771552 | Semiconductor memory device and control method | — | 2004-08-03 |
| 6765815 | Semiconductor memory device having a main word-line layer disposed above a column selection line layer | Koji Arai, Chiaki Dono | 2004-07-20 |
| 6765844 | Semiconductor memory device having a hierarchical I/O structure | Shuichi Kubouchi, Koichiro Ninomiya | 2004-07-20 |
| 6762949 | Dynamic RAM-and semiconductor device | Riichiro Takemura, Koji Arai | 2004-07-13 |