Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6312873 | Plate surface protective agent for lithographic printing plate, and fountain solution composition for lithographic printing plate | Hiroshi Matsumoto | 2001-11-06 |
| 6294318 | Plate surface protective agent for lithographic printing plate, and fountain solution composition for lithographic printing plate | Hiroshi Matsumoto | 2001-09-25 |