Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11892862 | Power supply circuit having voltage switching function | — | 2024-02-06 |
| RE46266 | Charge pump circuit | — | 2017-01-03 |
| 9160339 | Semiconductor device having calibration circuit that adjusts impedance of output buffer | — | 2015-10-13 |
| 8787068 | Semiconductor device | Akiyoshi Seko | 2014-07-22 |
| 8509009 | Semiconductor apparatus | — | 2013-08-13 |
| 8351292 | Semiconductor device and data processing system | — | 2013-01-08 |
| 8344757 | Semiconductor device and data processing system including the same | — | 2013-01-01 |
| 8299847 | Semiconductor device and data processing system including the same | — | 2012-10-30 |
| 8139424 | Semiconductor apparatus | — | 2012-03-20 |
| 8134858 | Semiconductor device for supplying stable voltage to control electrode of transistor | — | 2012-03-13 |
| 8018270 | Charge pump circuit | — | 2011-09-13 |
| 7969233 | Boosting charge pump circuit | — | 2011-06-28 |
| 7684261 | Semiconductor apparatus | — | 2010-03-23 |
| 7663428 | Boosting charge pump circuit | — | 2010-02-16 |
| 7627442 | Semiconductor device having a test-voltage generation circuit | — | 2009-12-01 |
| 7577045 | Semiconductor memory device | — | 2009-08-18 |
| 7542364 | Semiconductor memory device | — | 2009-06-02 |
| 6469546 | Sense amplifier circuit | — | 2002-10-22 |
| 6329869 | Semiconductor device with less influence of noise | — | 2001-12-11 |
| 6326837 | Data processing circuit having a waiting mode | — | 2001-12-04 |
| 6137343 | Semiconductor memory device equipped with voltage generator circuit | — | 2000-10-24 |
| 6066975 | Level converter circuit | — | 2000-05-23 |
| 6002635 | Semiconductor memory device with control for auxiliary word lines for memory cell selection | — | 1999-12-14 |
| 5949734 | Semiconductor memory device | — | 1999-09-07 |
| 5724291 | Semiconductor memory device with reduced chip area | — | 1998-03-03 |