Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5400178 | Screen unit for rear projection picture display system, method for producing the same and component to be used for assembling the screen unit | Tadayoshi Yamada, Katsumi Goto, Tsuyoshi Shimatani, Yoshinobu Maeda | 1995-03-21 |
| 4232247 | Projection tube with X-ray shielding means on target | Keisuke Miyoshi | 1980-11-04 |