Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10992223 | Semiconductor device having power supply voltage circuit, charge pump, comparator, and load circuit for controlling memory device | — | 2021-04-27 |
| 9659607 | Sense amplifier circuit and semiconductor memory device | Yasuhiro Tonda, Kazutaka Taniguchi | 2017-05-23 |
| 9117494 | Sense amplifier circuit and semiconductor memory device | Yasuhiro Tonda, Kazutaka Taniguchi | 2015-08-25 |
| 7800960 | Voltage generator for nonvolatile memory and writing and erasing method of nonvolatile memory | Yasuhiro Tonda, Hideaki Uemura, Junichi Yamada, Kenji Hibino, Tatsuya Saito | 2010-09-21 |
| 6831505 | Reference voltage circuit | — | 2004-12-14 |
| 6297991 | Nonvolatile semiconductor memory device | — | 2001-10-02 |
| 5920185 | Constant-voltage circuit capable of preventing an overshoot at a circuit output terminal | — | 1999-07-06 |