Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637405 | Magnetic recording medium having a backcoat layer containing carbon black, an organic colorant residue and a silicone compound | Yoshio Hara, Masami Kuwahara | 1997-06-10 |
| 5601914 | Magnetic recording medium having a backcoat layer containing a transition metal fatty acid salt | Yoshio Hara, Masami Kuwahara | 1997-02-11 |