Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7535642 | Light control sheet and surface light source using the same | Yasumaro Toshima | 2009-05-19 |
| 7087297 | Protective film transfer sheet for photo masks and a method for transferring a protective film using the same | Mitsunori Maruyama | 2006-08-08 |