Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5418285 | Magnetic recording medium | Masahiko Ikka, Tomoki Horiguchi | 1995-05-23 |
| 4937151 | Coating composition with vinyl chloride polymer for magnetic recording medium | Tateo Ishida | 1990-06-26 |