Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7171902 | Direct drawing lithographic printing plate material | — | 2007-02-06 |
| 6780479 | Hot-melt transfer ink image-receiving sheet | Toshimichi Katsuoka, Hironori Sato | 2004-08-24 |
| 6564712 | Lithographic plate material | Hironori Sato, Toshimichi Katsuoka | 2003-05-20 |
| 6508170 | Lithographic plate materials and method for making lithographic plates using the same | Toshimichi Katsuoka, Hironori Sato | 2003-01-21 |
| 5891598 | Printing plates using indirect electrophotographic process | Masamitsu Miyabe, Toshihiro Koike, Yoshihisa Kimura | 1999-04-06 |