Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861698 | Photosensitive lithographic plate using no dampening water | Toshihiko Hiruma, Hiroshi Takahashi | 1989-08-29 |
NK
Norihiko Kato
Overall (1989): #72,940 of 140,708Top 55%
1
Patents 1989