Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6239911 | View angle control sheet and method for producing the same | Toshihiro Koike, Teruo Ohnuma, Yasunori Sugiyama | 2001-05-29 |
| 6040941 | Reflection screen and method for producing the same | Minoru Miwa, Akiyoshi Takeno, Toshihiro Koike, Yasunori Sugiyama | 2000-03-21 |
| 5707704 | Masking films | Kan Hashizume, Takashi Shimizu | 1998-01-13 |