Issued Patents All Time
Showing 1–25 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9968017 | Electromagnetic shielding tube | Masanori Yamasaki, Tatsuya Yuasa, Nobuaki Sakai, Naoko Omori, Masakazu Kozawa +2 more | 2018-05-08 |
| 9595282 | Magnetic recording medium having a L10-type ordered alloy | Junichi Sayama | 2017-03-14 |
| 9275672 | Magnetic head, magnetic recording method and apparatus for controlling magnetic head with spin torque oscillator in a disk drive | Yoshihiro Shiroishi, Hiroshi Fukuda, Harukazu Miyamoto, Junko Ushiyama, Katsuro Watanabe +1 more | 2016-03-01 |
| 8883327 | Microwave assisted magnetic recording medium and information recording apparatus using the same | Masukazu Igarashi, Katsuro Watanabe | 2014-11-11 |
| 8873179 | Bit-patterned media magnetic recording disk with two sizes of dots and imprint template made with directed self-assembly (DSA) of block copolymers | Taku Iwase | 2014-10-28 |
| 8771849 | Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus using the same | Hiroaki Nemoto, Ikuko Takekuma, Ichiro Tamai | 2014-07-08 |
| 8709618 | Magnetic storage apparatus | Ikuko Takekuma, Hiroyuki Nakagawa, Hiroaki Nemoto | 2014-04-29 |
| 7875373 | Perpendicular magnetic recording medium and magnetic storage apparatus using the same | Ichiro Tamai, Reiko Arai | 2011-01-25 |
| 7701667 | Perpendicular magnetic recording medium and magnetic storage apparatus using the same | Ichiro Tamai, Ikuko Takekuma, Hiroaki Nemoto | 2010-04-20 |
| 7651795 | Perpendicular magnetic recording medium and manufacturing of the same | Ichiro Tamai, Ikuko Takekuma, Yuzuru Hosoe, Yoshinori Honda | 2010-01-26 |
| 7641989 | Perpendicular magnetic recording medium for high density recording and manufacturing of the same | Ikuko Takekuma, Reiko Arai, Yoko Ogawa, Yuzuru Hosoe, Tomio Iwasaki | 2010-01-05 |
| 7625646 | Perpendicular magnetic recording medium and method of manufacturing it | Ichiro Tamai, Takayuki Ichihara, Hiroyuki Nakagawa, Hiroaki Nemoto, Mineaki Kodama +1 more | 2009-12-01 |
| 7618722 | Perpendicular magnetic recording media and magnetic storage apparatus using the same | Ikuko Takekuma, Hiroyuki Nakagawa, Yuzuru Hosoe | 2009-11-17 |
| 7534507 | Perpendicular magnetic recording medium for high density magnetic recording and manufacturing of the same | Reiko Arai, Yuzuru Hosoe, Tomio Iwasaki, Yoko Ogawa, Ikuko Takekuma | 2009-05-19 |
| 7510789 | Perpendicular magnetic recording media | Hiroyuki Nakagawa, Hiroaki Nemoto, Ichiro Tamai, Ikuko Takekuma | 2009-03-31 |
| 7399540 | Perpendicular magnetic recording media, magnetic recording apparatus | Masaaki Futamoto, Kazuetsu Yoshida, Yukio Honda, Atsushi Kikugawa | 2008-07-15 |
| 7368185 | Perpendicular magnetic recording media and magnetic storage apparatus using the same | Yuzuru Hosoe, Hiroyuki Nakagawa, Ikuko Takekuma | 2008-05-06 |
| 7261958 | Magnetic recording medium and magnetic recording system using the same | Hiroyuki Suzuki, Hiroyuki Kataoka, Yotsuo Yahisa, Tetsuya Kanbe | 2007-08-28 |
| 7249405 | Method for manufacturing a magnetic medium | Yoshio Takahashi, Yotsuo Yahisa | 2007-07-31 |
| 7147941 | Perpendicular magnetic recording media, magnetic recording apparatus | Masaaki Futamoto, Kazuetsu Yoshida, Yukio Honda, Atsushi Kikugawa | 2006-12-12 |
| 7033686 | Perpendicular magnetic recording medium and method of manufacturing it | Ichiro Tamai, Takayuki Ichihara, Hiroyuki Nakagawa, Hiroaki Nemoto, Mineaki Kodama +1 more | 2006-04-25 |
| 7026810 | Method for testing or recording servo signal on perpendicular magnetic recording media | Atsushi Kikugawa, Kiwamu Tanahashi, Yukio Honda, Masaaki Futamoto | 2006-04-11 |
| 6943814 | Gradation display method | Mitsuru Iioka, Noribumi Sato, Takashi Nakajima | 2005-09-13 |
| 6916557 | Perpendicular magnetic recording media | Hiroyuki Nakagawa, Hiroaki Nemoto, Ichiro Tamai, Ikuko Takekuma | 2005-07-12 |
| 6894488 | Method for testing or recording servo signal on perpendicular magnetic recording media | Atsushi Kikugawa, Kiwamu Tanahashi, Yukio Honda, Masaaki Futamoto | 2005-05-17 |