Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627380 | Photosensitive composition, original plate using the same for lithographic printing, and method for producing images on original plate | Naohito Saito, Yasuyuki Watanabe, Yasuhiko Kojima, Eiji Hayakawa | 2003-09-30 |
| 6509133 | Lithographic printing plate and image forming method | Yasuyuki Watanabe, Naohito Saito, Nansei Tashiro, Katsuji Takahashi, Shinji Shimizu +1 more | 2003-01-21 |
| 6503685 | Heat sensitive composition, original plate using the same for lithographic printing plate, and process for preparing printing plate | Shinji Shimizu, Yasuyuki Watanabe, Yasuhiko Kojima, Nansei Tasiro | 2003-01-07 |