Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5844720 | Prism sheet | Shuzo Ohara, Takumi Kosugi, Osamu Kawaguchi, Kenji Kawashima, Yu Tsuyama | 1998-12-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5844720 | Prism sheet | Shuzo Ohara, Takumi Kosugi, Osamu Kawaguchi, Kenji Kawashima, Yu Tsuyama | 1998-12-01 |