Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6348300 | Process for treating periphery of unexposed photosensitive resin plate | Katsumasa Yamamoto, Kosaku Onodera, Masaru Nampei | 2002-02-19 |
| 6150076 | Process for treating periphery of unexposed photosensitive resin plate | Katsumasa Yamamoto, Kosaku Onodera, Masaru Nampei | 2000-11-21 |