Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8130565 | Semiconductor device | Tatsuya Sakamoto, Kanji Oishi | 2012-03-06 |
| 8050123 | Semiconductor memory device and method of defective cell test by adjusting a bitline reference/precharge level | — | 2011-11-01 |
| 7961543 | Semiconductor memory device and refresh control method | — | 2011-06-14 |
| 7760572 | Semiconductor memory device and refresh control method | — | 2010-07-20 |
| 7692991 | Semiconductor memory device and method for designing the same | — | 2010-04-06 |
| 7482832 | Termination circuit and semiconductor device comprising that termination circuit | — | 2009-01-27 |
| 7075357 | Boosting circuit and semiconductor device using the same | — | 2006-07-11 |
| 6597607 | Semiconductor memory device and its operation method | — | 2003-07-22 |
| 5930181 | Semiconductor memory device with write-switch signal output circuits using complementary write data signals | — | 1999-07-27 |