Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6596457 | Positive photosensitive lithographic printing plate responsive to near infrared rays; method of producing it and method for forming a positive image | Katsuhiko Hidaka, Tatsunori Tsuchiya, Masao Akamatsu | 2003-07-22 |