Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869861 | Process for producing a shaped and drawn aromatic imide polymer article | Hiroshi Inoue, Tetsuji Hirano, Tadao Muramatsu | 1989-09-26 |
| 4839217 | Aromatic polyimide film | Kanzo Tabata, Hiroshi Inoue, Tadao Muramatsu | 1989-06-13 |