Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10754120 | Projection lens barrel and projection display device | Takafumi HANAOKA, Takahiko Matsuo | 2020-08-25 |
| 10222576 | Projection lens barrel and projection display device | Takafumi HANAOKA, Takahiko Matsuo | 2019-03-05 |