Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6132938 | Process for making lithographic printing plate | Akio Yoshida, Jun Yamada, Takenobu Yoshiki, Takao Arai | 2000-10-17 |
| 5714302 | Method of printing with using lithographic printing plate made by silver complex diffusion transfer process and using dampening composition containing nonionic surface active agent | Jun Urasaki, Hideo Kiyoyama, Hiroyuki Kurokawa, Akio Yoshida | 1998-02-03 |
| 5525455 | Treating solution for lithographic printing plate | Hiroyuki Kurokawa, Jun Urasaki, Akio Yoshida | 1996-06-11 |