Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9131577 | Light emitting element drive device | Kazunori Oshima, Hironobu Masuoka, Mitsuyuki TSUJISAKA | 2015-09-08 |
| 8786214 | Light emitting element drive device and lighting device | Kazunori Oshima, Hironobu Masuoka, Mitsuyuki TSUJISAKA | 2014-07-22 |