Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10498243 | Comparator circuit, power supply control IC, and switching power supply device | Tetsuo Tateishi | 2019-12-03 |
| 10379564 | Constant voltage generating circuit | Kiyotaka Umemoto | 2019-08-13 |
| 10205393 | Comparator circuit, power supply control IC, and switching power supply device | Tetsuo Tateishi | 2019-02-12 |