Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7772785 | Parallel lighting system for surface light source discharge lamps | Masakazu Ushijima | 2010-08-10 |
| 7391166 | Parallel lighting system for surface light source discharge lamps | Masakazu Ushijima | 2008-06-24 |