Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4642283 | Plate making processing for using negative working light-sensitive lithographic plate requiring no dampening solution | Hiroshi Takahashi, Yoshimasa Aotani, Keisuke Shiba | 1987-02-10 |
| 4275138 | Photosensitive diazonium compound containing composition and article with .beta.-hydroxyalkyl acrylate or methacrylate | Nobuyuki Kita | 1981-06-23 |