Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7977889 | Direct-current power supply device, power supply device for driving LED and semiconductor integrated circuit for driving power supply | Takashi Hiroshima | 2011-07-12 |
| 7977890 | Direct current power supply device, power supply device for driving LED and semiconductor integrated circuit for controlling power supply | — | 2011-07-12 |