Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5200255 | Magnetic recording medium substrate comprising an aromatic imide polymer film and inorganic filler particles | Kenji Matsubara, Toshiyuki Nishino, Kazuhiko Yoshioka | 1993-04-06 |