Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9131577 | Light emitting element drive device | Kazunori Oshima, Yukiharu MIYAOKA, Mitsuyuki TSUJISAKA | 2015-09-08 |
| 8786214 | Light emitting element drive device and lighting device | Kazunori Oshima, Mitsuyuki TSUJISAKA, Yukiharu MIYAOKA | 2014-07-22 |
| 8779692 | Light emitting element drive device | Kazunori Oshima | 2014-07-15 |
| 8686656 | Power supply device and light-emitting element drive device | Kazunori Oshima, Mitsuyuki TSUJISAKA | 2014-04-01 |
| 8686657 | Power supply device and light-emitting element drive device | Kazunori Oshima, Mitsuyuki TSUJISAKA | 2014-04-01 |
| 6111763 | Switching power supply | Kazuyoshi Hanabusa, Katsunori Imai | 2000-08-29 |