Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830865 | Positive-type image-forming material and planographic printing plate precursor | Ippei Nakamura, Akio Oda | 2004-12-14 |
| 6689534 | Planographic printing original plate | Akio Oda, Ippei Nakamura | 2004-02-10 |