Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5796443 | Rear projection television utilizing two separate housings for easy transportation | Shinji Koubara, Kouhei Sunaga | 1998-08-18 |
| 4631594 | Projection device | Koji Imabayashi, Hiroshi Kawamura, Shigeru Takeuchi, Masayoshi Shinobu | 1986-12-23 |