Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661600 | Transmission type screen and method of manufacturing thereof | Katsuaki Mitani, Noboru Yasumatsuya, Ichiro Matsuzaki | 1997-08-26 |
| 5434706 | Transmission type screen and method of manufacturing thereof | Katsuaki Mitani, Noboru Yasumatsuya, Ichiro Matsuzaki | 1995-07-18 |
| 5196960 | Lenticular lens sheet | Ichiro Matsuzaki, Masao Otaki, Ken-ichi Abe | 1993-03-23 |