Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5489466 | Magnetic recording medium comprising a lower nonmagnetic layer containing a surface coated inorganic powder and an upper magetic layer | Hiroo Inaba, Kouichi Masaki, Takeshi Harasawa | 1996-02-06 |