Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10276192 | Perpendicular magnetic recording medium | Akemi Hirotsune, Junichi Sayama | 2019-04-30 |
| 9472228 | Perpendicular magnetic recording media having novel magnetic under-layer structure | Akemi Hirotsune, Hiroyuki Matsumoto, Oleksandr Mosendz | 2016-10-18 |
| 9117477 | Perpendicular magnetic recording media having novel seed layer | Akemi Hirotsune, Hiroaki Nemoto | 2015-08-25 |
| 8771849 | Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus using the same | Hiroaki Nemoto, Ichiro Tamai, Yoshiyuki Hirayama | 2014-07-08 |
| 8709618 | Magnetic storage apparatus | Hiroyuki Nakagawa, Hiroaki Nemoto, Yoshiyuki Hirayama | 2014-04-29 |
| 8679654 | Magnetic recording medium including plural FePt alloy layers including carbon, oxides or nitrides | Hiroaki Nemoto, Kimio Nakamura, Junichi Sayama | 2014-03-25 |
| 8000060 | Perpendicular magnetic recording medium and system having a magnetic recording layer with a perpendicular recording layer, a magnetic coupling layer, and a writing assist layer | Zhengang Zhang, Kiwamu Tanahashi | 2011-08-16 |
| 7701667 | Perpendicular magnetic recording medium and magnetic storage apparatus using the same | Ichiro Tamai, Hiroaki Nemoto, Yoshiyuki Hirayama | 2010-04-20 |
| 7651795 | Perpendicular magnetic recording medium and manufacturing of the same | Ichiro Tamai, Yoshiyuki Hirayama, Yuzuru Hosoe, Yoshinori Honda | 2010-01-26 |
| 7641989 | Perpendicular magnetic recording medium for high density recording and manufacturing of the same | Reiko Arai, Yoko Ogawa, Yoshiyuki Hirayama, Yuzuru Hosoe, Tomio Iwasaki | 2010-01-05 |
| 7625644 | Perpendicular magnetic recording medium and manufacturing of the same | Takayuki Ichihara, Hiroyuki Nakagawa, Ichiro Tamai | 2009-12-01 |
| 7625646 | Perpendicular magnetic recording medium and method of manufacturing it | Yoshiyuki Hirayama, Ichiro Tamai, Takayuki Ichihara, Hiroyuki Nakagawa, Hiroaki Nemoto +1 more | 2009-12-01 |
| 7618722 | Perpendicular magnetic recording media and magnetic storage apparatus using the same | Yoshiyuki Hirayama, Hiroyuki Nakagawa, Yuzuru Hosoe | 2009-11-17 |
| 7534507 | Perpendicular magnetic recording medium for high density magnetic recording and manufacturing of the same | Reiko Arai, Yoshiyuki Hirayama, Yuzuru Hosoe, Tomio Iwasaki, Yoko Ogawa | 2009-05-19 |
| 7510789 | Perpendicular magnetic recording media | Yoshiyuki Hirayama, Hiroyuki Nakagawa, Hiroaki Nemoto, Ichiro Tamai | 2009-03-31 |
| 7457064 | Perpendicular magnetic recording medium, method of evaluating magnetic properties of the same | Hiroaki Nemoto, Yuzuru Hosoe | 2008-11-25 |
| 7368185 | Perpendicular magnetic recording media and magnetic storage apparatus using the same | Yoshiyuki Hirayama, Yuzuru Hosoe, Hiroyuki Nakagawa | 2008-05-06 |
| 7033686 | Perpendicular magnetic recording medium and method of manufacturing it | Yoshiyuki Hirayama, Ichiro Tamai, Takayuki Ichihara, Hiroyuki Nakagawa, Hiroaki Nemoto +1 more | 2006-04-25 |
| 6916557 | Perpendicular magnetic recording media | Yoshiyuki Hirayama, Hiroyuki Nakagawa, Hiroaki Nemoto, Ichiro Tamai | 2005-07-12 |