Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861698 | Photosensitive lithographic plate using no dampening water | Toshihiko Hiruma, Hiroshi Takahashi | 1989-08-29 |
| 4545866 | Process for producing support for planographic printing | Hisao Ohba, Akira Shirai, Etsuo Kitazumi | 1985-10-08 |