Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8485460 | Polyester film roll | Ieyasu Kobayashi, Mitsuo Tojo, Shinji Muro, Hirofumi Murooka | 2013-07-16 |
| 8191812 | Polyester film roll | Ieyasu Kobayashi, Mitsuo Tojo, Shinji Muro, Hirofumi Murooka | 2012-06-05 |