Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6617414 | Aromatic diamine/aromatic dicarboxylate and production method thereof | Fuyuhiko Kubota | 2003-09-09 |
| 6565786 | Method for producing formed article from polyphosphoric acid solution | Yoshihiko Teramoto, Shoichi Uemura | 2003-05-20 |