Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5629075 | Magnetic recording medium having a substrate containing magnetic powder | Akira Ishikawa, Hidehiko Nakayama | 1997-05-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5629075 | Magnetic recording medium having a substrate containing magnetic powder | Akira Ishikawa, Hidehiko Nakayama | 1997-05-13 |