Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623003 | Sheet material stacking device and automatic exposure device for a printing plate | Takashi Koizumi, Yoshinori Kawamura, Yoshihiro Koyanagi | 2003-09-23 |
| 6520692 | Exposure apparatus for printing plates | Takashi Koizumi, Yoshinori Kawamura, Yoshihiro Koyanagi | 2003-02-18 |