Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6662725 | Positioning method and positioning device for positioning printing plate relative to surface plate | Takashi Koizumi, Yoshinori Kawamura, Yoshihiro Koyanagi, Mitsuyoshi Nishimura, Takashi Kato | 2003-12-16 |
| 6622601 | Punch unit for punching a hole in a soft metal sheet | Hidekazu Hashimoto, Junichi Nakao | 2003-09-23 |