Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8997335 | Method of manufacturing a magnetic head for perpendicular magnetic recording | Yoshitaka Sasaki, Hiroyuki Itoh, Shigeki Tanemura, Hironori Araki, Kazuo Ishizaki | 2015-04-07 |
| 8687320 | Magnetic head for perpendicular magnetic recording having a pole layer including a plurality of stacked magnetic films | Yoshitaka Sasaki, Hiroyuki Itoh, Shigeki Tanemura, Hironori Araki, Kazuo Ishizaki | 2014-04-01 |
| 8391109 | Method of manufacturing heat-assisted magnetic recording head with internal mirror | Hironori Araki, Yoshitaka Sasaki, Hiroyuki Ito, Shigeki Tanemura, Kazuo Ishizaki | 2013-03-05 |
| 8349198 | Method of manufacturing near-field light generator including waveguide and plasmon generator | Hironori Araki, Yoshitaka Sasaki, Hiroyuki Ito, Shigeki Tanemura, Kazuo Ishizaki | 2013-01-08 |
| 8302285 | Method of making a sensing unit | Yoshitaka Sasaki, Tatsushi Shimizu, Kazuo Ishizaki, Shigeki Tanemura | 2012-11-06 |
| 8289649 | Magnetic head for perpendicular magnetic recording with shield around main magnetic pole | Yoshitaka Sasaki, Kazuki Sato, Hiroyuki Ito, Kazumasa Yasuda | 2012-10-16 |
| 8270110 | Magnetic head for perpendicular magnetic recording having side shield layer and method of manufacturing same | Hironori Araki, Yoshitaka Sasaki, Hiroyuki Ito, Shigeki Tanemura, Kazuo Ishizaki | 2012-09-18 |
| 8243560 | Heat-assisted magnetic recording head including internal mirrors of first and second inclined surfaces | Hironori Araki, Yoshitaka Sasaki, Hiroyuki Ito, Shigeki Tanemura, Kazuo Ishizaki | 2012-08-14 |
| 8221636 | Method of manufacturing magnetic head for perpendicular magnetic recording | Yoshitaka Sasaki, Hiroyuki Itoh, Hironori Araki, Shigeki Tanemura, Kazuo Ishizaki | 2012-07-17 |
| 8184398 | Magnetic head that suppresses protrusion of medium facing surface caused by heat of coil | Hironori Araki, Yoshitaka Sasaki, Hiroyuki Ito, Kazuo Ishizaki, Shigeki Tanemura | 2012-05-22 |
| 8176623 | Method of manufacturing a magnetic head for perpendicular magnetic recording | Yoshitaka Sasaki, Hiroyuki Itoh, Shigeki Tanemura, Hironori Araki, Kazuo Ishizaki | 2012-05-15 |
| 8174790 | Thin-film magnetic head having remnant coating and remnant insulating film, head gimbal assembly and hard disk drive | Yoshitaka Sasaki, Hiroyuki Ito, Takehiro Kamigama, Tatsushi Shimizu | 2012-05-08 |
| 8085522 | Capacitor and method of manufacturing the same and capacitor unit | Yoshitaka Sasaki, Tatsushi Shimizu, Kazuo Ishizaki, Shigeki Tanemura | 2011-12-27 |
| 7933095 | Magnetic head for perpendicular magnetic recording including a stopper layer for suppressing protrusion of the front end face of a shield | Yoshitaka Sasaki, Hiroyuki Itoh, Hironori Araki, Kowang Liu, Erhard Schreck | 2011-04-26 |
| 7924528 | Magnetic head for perpendicular magnetic recording and method of manufacturing same | Yoshitaka Sasaki, Hiroyuki Itoh, Hironori Araki, Shigeki Tanemura, Kazuo Ishizaki | 2011-04-12 |
| 7916425 | Magnetic head having angled pole portions | Yoshitaka Sasaki, Hiroyuki Itoh, Hironori Araki, Shigeki Tanemura, Kazuo Ishizaki +1 more | 2011-03-29 |
| 7910160 | Thin-film magnetic head structure adapted to manufacture a thin-film head having a base magnetic pole part, a york magnetic pole part, and an intervening insulative film | Yoshitaka Sasaki, Hiroyuki Ito, Kazuo Ishizaki | 2011-03-22 |
| 7870660 | Method of manufacturing magnetic head for perpendicular magnetic recording | Yoshitaka Sasaki, Hiroyuki Itoh, Hironori Araki, Shigeki Tanemura | 2011-01-18 |
| 7843665 | Perpendicular magnetic recording head with nonmagnetic metal layer even with top face of pole layer | Yoshitaka Sasaki, Hiroyuki Itoh, Hironori Araki, Tatsushi Shimizu, Tatsuya Shimizu | 2010-11-30 |
| 7721415 | Method of manufacturing a thin-film magnetic head | Yoshitaka Sasaki, Hiroyuki Ito, Takehiro Kamigama, Tatsushi Shimizu | 2010-05-25 |
| 7698941 | Sensing unit and method of making same | Yoshitaka Sasaki, Tatsushi Shimizu, Kazuo Ishizaki, Shigeki Tanemura | 2010-04-20 |
| 7663839 | Magnetic head for perpendicular magnetic recording with encasing layer | Yoshitaka Sasaki, Hiroyuki Itoh, Shigeki Tanemura, Kazuo Ishizaki | 2010-02-16 |
| 7628071 | Sensing unit and method of making same | Yoshitaka Sasaki, Tatsushi Shimizu, Kazuo Ishizaki, Shigeki Tanemura | 2009-12-08 |
| 7518824 | Magnetic head for perpendicular magnetic recording that has a pole layer having a shape for easy forming, reducing track width and improved writing characteristics | Yoshitaka Sasaki, Hiroyuki Itoh, Hironori Araki, Shigeki Tanemura | 2009-04-14 |
| 7472471 | Method of manufacturing magnetic head for perpendicular magnetic recording | Yoshitaka Sasaki, Hironori Araki, Shigeki Tanemura | 2009-01-06 |