Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689539 | Photosensitive composition and photosensitive lithographic printing plate | Masamichi Kamiya, Koji Hayashi, Miyuki Makino | 2004-02-10 |
| 6572715 | Aluminum alloy support body for a presensitized plate and method of producing the same | Mitsuo Ishida, Keitarou Yamaguchi | 2003-06-03 |
| 6461784 | Photosensitive printing plate having mat particles formed on the photosensitive layer and method of producing the same | Eiji Hayakawa | 2002-10-08 |