Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6068794 | Protective film for polarizing plate and polarizing plate | Toru Kobayashi, Koichi Nagayasu | 2000-05-30 |
| 5914073 | Protective film for polarizing plate | Toru Kobayashi, Koichi Nagayasu, Isamu Michihata, Masaji Nara | 1999-06-22 |