Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12072615 | Projection optical apparatus that is removable installed in a light emitting apparatus and projector | Hirofumi Okubo, Naoto Takehana | 2024-08-27 |
| 11921407 | Fixing device, projection optical device, and projector | Naoto Takehana, Hirofumi Okubo | 2024-03-05 |