Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6936356 | Magnetic recording medium comprising a magnetic layer having specific thickness, surface roughness and projections | Masakazu Tani, Norihisa Yoshimoto, Kenichiro Yoshida | 2005-08-30 |
| 6926976 | Magnetic recording medium comprising a magnetic layer having specific thickness and projections | Masakazu Tani, Norihisa Yoshimoto, Kenichiro Yoshida | 2005-08-09 |
| 6921592 | Magnetic recording medium comprising a magnetic layer having specific thickness, surface roughness and friction coefficient | Masakazu Tani, Norihisa Yoshimoto, Kenichiro Yoshida | 2005-07-26 |
| 6780531 | Magnetic recording medium comprising a magnetic layer having specific surface roughness and protrusions | Masakazu Tani, Norihisa Yoshimoto, Kenichiro Yoshida | 2004-08-24 |