Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8072201 | Power supply apparatus | Kiyotaka Umemoto | 2011-12-06 |
| 8049480 | Comparator-system DC-DC converter | Shogo Hachiya | 2011-11-01 |
| 7876081 | DC-DC converter with substantially constant on-time and constant switching frequency | Shogo Hachiya | 2011-01-25 |
| 7872457 | Syncronous switching regulator control circuit | — | 2011-01-18 |