Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5503074 | Photosensitive lithographic printing plate requiring no fountain solution | Tsumoru Hirano, Takahiro Matsushita | 1996-04-02 |
| 4863831 | Photosensitive lithographic plate requiring no dampening water having a gelatin primer layer | Hiroshi Takahashi | 1989-09-05 |
| 4861698 | Photosensitive lithographic plate using no dampening water | Hiroshi Takahashi, Norihiko Kato | 1989-08-29 |
| 4769308 | Dry presensitized plate with photosensitive layer containing organotin | Hiroshi Takahashi, Yasuhisa Naritomi | 1988-09-06 |