Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6348300 | Process for treating periphery of unexposed photosensitive resin plate | Katsumasa Yamamoto, Takamitsu Ariki, Masaru Nampei | 2002-02-19 |
| 6150076 | Process for treating periphery of unexposed photosensitive resin plate | Katsumasa Yamamoto, Takamitsu Ariki, Masaru Nampei | 2000-11-21 |
| 5124736 | Process and apparatus for developing photopolymer plates | Katsumasa Yamamoto, Kyoichi Mizuno, Keizo Kawahara, Masaru Nanpei | 1992-06-23 |
| 4891659 | Continuous plate making method for photosensitive resin plate and device thereof | Haruo Kubo | 1990-01-02 |
| 4733260 | Continuous plate making method for photosensitive resin plate and device thereof | Haruo Kubo | 1988-03-22 |