Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6662725 | Positioning method and positioning device for positioning printing plate relative to surface plate | Takashi Koizumi, Kazuoki Komiyama, Yoshihiro Koyanagi, Mitsuyoshi Nishimura, Takashi Kato | 2003-12-16 |
| 6623003 | Sheet material stacking device and automatic exposure device for a printing plate | Takashi Koizumi, Kazuhisa Okamoto, Yoshihiro Koyanagi | 2003-09-23 |
| 6624840 | Automatic exposure apparatus for printing plates and method for exposing printing plates | Yoshihiro Koyanagi, Mitsuyoshi Nishimura, Takashi Kato | 2003-09-23 |
| 6564660 | Ball screw feed mechanism | Yoshihiro Koyanagi, Mamoru Murata, Mitsuyoshi Nishimura | 2003-05-20 |
| 6536344 | Printing plate automatic exposing device | Yoshihiro Koyanagi, Mitsuyoshi Nishimura, Takashi Kato | 2003-03-25 |
| 6530322 | Suction transport device of a printing plate | Tsukasa Ono, Takashi Koizumi, Kazuhisa Tazaki | 2003-03-11 |
| 6520692 | Exposure apparatus for printing plates | Takashi Koizumi, Yoshihiro Koyanagi, Kazuhisa Okamoto | 2003-02-18 |