Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660364 | Magnetic recording medium | Kenichiro Yoshida | 2003-12-09 |
| 5591512 | Magnetic recording medium having a magnetic layer comprising iron powder and an underlayer comprising non magnetic powders having specified particle size ratios | Takuma Yuasa, Hideki Fujimoto | 1997-01-07 |
| 5094910 | Magnetic recording medium | Yoshinori Yamamoto | 1992-03-10 |
| 5051319 | Magnetic recording tape containing low levels of compounds with molecular weights between specified limits determined from gel permeation chromatography of tape extract | Sadamu Kuse, Seigi Kawarai | 1991-09-24 |