Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6842282 | Reflection projection screen | Kazumi Kuroda, Koji Tanaka, Yoshio Wakabayashi | 2005-01-11 |
| 6744558 | Back face transmission screen | Koji Tanaka, Kazumi Kuroda, Yoshio Wakabayashi | 2004-06-01 |