Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8922936 | Apparatus of single write magnetic disc | Iwao Okamoto, Daisuke Masuda | 2014-12-30 |
| 8877359 | Magnetic disk and method for manufacturing same | Tokichiro Sato, Takenori Kajiwara | 2014-11-04 |
| 8665541 | Evaluation method of perpendicular magnetic recording medium and manufacturing method of perpendicular magnetic recording medium | — | 2014-03-04 |
| 8559131 | Perpendicular magnetic recording media and magnetic disc apparatus | Daisuke Masuda, Junichi Horikawa, Iwao Okamoto | 2013-10-15 |