Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648150 | Magnetic recording medium having a backcoat layer containing carbon black and platelet inorganic powder | Osamu Kobayashi, Ikuo Matsumoto | 1997-07-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648150 | Magnetic recording medium having a backcoat layer containing carbon black and platelet inorganic powder | Osamu Kobayashi, Ikuo Matsumoto | 1997-07-15 |