Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5786093 | Magnetic recording medium having a backcoat composition with low chloride ion and sulfate ion extractables | Taketoshi Sato, Taro Ohmura | 1998-07-28 |
| 5492774 | Perpendicular magnetic recording medium and process for production of the same | Yasuo Tateno, Mayumi Abe | 1996-02-20 |