Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637334 | Heat-sensitive lithographic printing plate precursor | Keiji Akiyama, Kazuo Maemoto | 2003-10-28 |
| 6638686 | Planographic printing plate | Hirokazu Sawada, Akio Uesugi, Hirokazu Sasaki, Tadashi Endo | 2003-10-28 |