Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6565945 | Composite printing film | Hiroyuki Yamada, Koichi Katayama, Yasushi Kobayashi, Eiichi Mikami | 2003-05-20 |
| 6555240 | Film laminates for printing | Koichi Katayama, Yuichi Ogawa, Noboru Sakaushi | 2003-04-29 |