Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8390212 | Light-emitting element driving control circuit | — | 2013-03-05 |
| 8030977 | Clock generating circuit | Mitsuru Ooyagi | 2011-10-04 |
| 8030976 | Triangle wave generating circuit | Mitsuru Ooyagi | 2011-10-04 |
| 7944272 | Constant current circuit | — | 2011-05-17 |
| 7940507 | Switching control circuit and self-excited DC-DC converter | Iwao Fukushi, Takashi Noma | 2011-05-10 |
| 7755874 | Switching control circuit and self excited DC-DC converter | Iwao Fukushi, Takashi Noma | 2010-07-13 |
| 7379284 | Switching control circuit and self-excited DC-DC converter | Iwao Fukushi, Takashi Noma | 2008-05-27 |
| 6066930 | Synchronous driving method for inductive load and synchronous controller for H-bridge circuit | Kenji Horiguchi | 2000-05-23 |
| 5952856 | Inductive load driving method and H-bridge circuit control device | Kenji Horiguchi, Shin Nakajima | 1999-09-14 |