Issued Patents All Time
Showing 26–50 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8085499 | Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using it | Yoshiaki Kawato, Kazuhiro Nakamoto, Hiroyuki Hoshiya, Yasuyuki Okada | 2011-12-27 |
| 8018672 | Magnetic recording device and magnetic recording method thereof | Hideaki Maeda, Hiroyasu Tanabe, Hideki Zaitsu | 2011-09-13 |
| 8000058 | Magnetic head for perpendicular recording having pole pieces provided on surface of soft magnetic film | Tadayuki Iwakura, Youji Maruyama, Ichiro Ohdake | 2011-08-16 |
| 7990653 | Perpendicular recording magnetic head with a main magnetic pole piece and an auxiliary magnetic pole piece | Shuji Nishida, Kimitoshi Etoh, Isao Nunokawa | 2011-08-02 |
| 7969678 | Magnetic disk drive having assisted recording and methods of recording data thereto | Hiroyasu Tanabe, Hideaki Maeda, Hideki Zaitsu | 2011-06-28 |
| 7944646 | Magnetic disk drive | Yukiya Shimizu, Shuji Nishida | 2011-05-17 |
| 7881012 | Magnetic head and magnetic disk storage apparatus mounting the head | Kimitoshi Etoh, Youji Maruyama, Hiroshi Fukui | 2011-02-01 |
| 7848053 | Magnetic head and magnetic disk storage apparatus mounting the head | Kimitoshi Etoh, Yoji Maruyama, Hiroshi Fukui | 2010-12-07 |
| 7813079 | Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using it | Yoshiaki Kawato, Kazuhiro Nakamoto, Hiroyuki Hoshiya, Yasuyuki Okada | 2010-10-12 |
| 7715152 | Magnetic recording head for perpendicular recording, fabrication process, and magnetic disk storage apparatus mounting the magnetic head | Tomohiro Okada, Isao Nunokawa | 2010-05-11 |
| 7684149 | Magnetic head and magnetic disk storage apparatus mounting the same | Kaori Suzuki, Kimitoshi Etoh | 2010-03-23 |
| 7646564 | Perpendicular magnetic recording head for high frequency drive | Yoji Maruyama, Hideki Zaitsu, Ichiro Ohdake, Kazue Kudo | 2010-01-12 |
| 7639452 | Magnetic head for perpendicular recording and fabrication process | Isao Nunokawa | 2009-12-29 |
| 7616403 | Winged design for reducing corner stray magnetic fields | Kuok San Ho, Yimin Hsu, Ching Hwa Tsang, Roger William Wood | 2009-11-10 |
| 7606006 | Magnetic recording head and magnetic disk storage apparatus mounting the magnetic head | Kaori Suzuki, Kimitoshi Etoh | 2009-10-20 |
| 7545595 | Magnetic disk apparatus having an adjustable mechanism to compensate write or heat element for off-tracking position with yaw angle | Takehiko Hamaguchi, Atsushi Nakamura, Yasutaka Nishida, Hideki Sawaguchi | 2009-06-09 |
| 7542244 | Magnetic head to prevent undesired data erasure and magnetic disk storage having the same | Hiroshi Fukui, Yoji Maruyama, Tomohiro Okada | 2009-06-02 |
| 7532433 | Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using it | Yoshiaki Kawato, Kazuhiro Nakamoto, Hiroyuki Hoshiya, Yasuyuki Okada | 2009-05-12 |
| 7483243 | Magnetic head with recessed portion, and magnetic recording and reproduction apparatus comprising the same | Hiroshi Fukui, Yoji Maruyama, Kaori Suzuki | 2009-01-27 |
| 7475470 | Method for manufacturing a magnetic head for perpendicular recording | Tomohiro Okada, Atsushi Nakamura | 2009-01-13 |
| 7450349 | Magnetic head with soft magnetic shield and magnetic storage | Yasutaka Nishida, Ikuya Tagawa, Roger William Wood | 2008-11-11 |
| 7426092 | Magnetic head and magnetic disk storage apparatus mounting the head | Hiroshi Fukui, Kaori Suzuki | 2008-09-16 |
| 7370405 | Fabrication method of a high gradient-field recording head for perpendicular magnetic recording | Atsuko Kuroda | 2008-05-13 |
| 7221538 | Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using it | Yoshiaki Kawato, Kazuhiro Nakamoto, Hiroyuki Hoshiya, Yasuyuki Okada | 2007-05-22 |
| 7213195 | Data decoding method and circuit and information recording and reproducing apparatus using the same | Hideki Sawaguchi, Yasutaka Nishida, Hiroyuki Tsuchinaga | 2007-05-01 |