Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10141850 | Comparator circuit, power supply control IC, and switching power supply device | Tetsuo Tateishi | 2018-11-27 |
| 9996097 | Constant voltage generating circuit | Kiyotaka Umemoto | 2018-06-12 |
| 9954442 | Comparator circuit, power supply control IC, and switching power supply device | Tetsuo Tateishi | 2018-04-24 |
| 9876426 | On-period setting circuit, power control IC, and switching power supply device | Tetsuo Tateishi | 2018-01-23 |