Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9160230 | DC/DC converter and electronic apparatus | — | 2015-10-13 |
| 9030249 | Level shift circuit | Atsushi Igarashi | 2015-05-12 |
| 8829885 | Voltage reference circuit | Nao Otsuka | 2014-09-09 |