Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385968 | Stress testing circuit and semiconductor memory device | — | 2025-08-12 |
| 11128274 | Differential amplifier | — | 2021-09-21 |
| 7489580 | Refresh period generating circuit | Yutaka Ito | 2009-02-10 |
| 7248526 | Refresh period generating circuit | Yutaka Ito | 2007-07-24 |