Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6603701 | Semiconductor memory apparatus having cell blocks and column drivers with a column address decoding module and a column drive enable signal generation module arranged to effectively reduce chip size | Eitaro Otsuka | 2003-08-05 |
| 6597615 | Refresh control for semiconductor memory device | — | 2003-07-22 |
| 6560153 | Semiconductor device, method for refreshing the same, system memory, and electronics apparatus | — | 2003-05-06 |
| 6545943 | Activation of word lines in semiconductor memory device | Eitaro Otsuka | 2003-04-08 |
| 6538948 | Semiconductor device, refreshing method thereof, memory system, and electronic instrument | — | 2003-03-25 |
| 6525989 | Activation of word lines in semiconductor memory device | Eitaro Otsuka | 2003-02-25 |
| 6519200 | Semiconductor device, method for refreshing the same, and electronic equipment | — | 2003-02-11 |
| 6501699 | Refresh control for semiconductor memory device | — | 2002-12-31 |
| 6493281 | Semiconductor device, method for refreshing the same, system memory, and electronics apparatus | — | 2002-12-10 |