Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8303780 | Method of forming mask for dry etching and manufacturing method of magnetic head using the same method | Kento Edakara, Hiromichi Umehara, Michitaka Nishiyama | 2012-11-06 |
| 8000064 | Thin-film magnetic head for perpendicular magnetic recording and method of making the same | Hidetaka Kawano, Hiromichi Umehara, Takamitsu Sakamoto, Koichi Otani, Naoto Matono | 2011-08-16 |
| 7948716 | Magnetic head for perpendicular magnetic recording with a shield and a pole layer having a top surface with first and second portions at different heights, and method of manufacturing same | Naoto Matono, Koichi Otani, Tatsuya Harada, Takamitsu Sakamoto, Hiroaki Kawashima +3 more | 2011-05-24 |
| 7848056 | Thin film magnetic head having thermal expansion layer for suppressing thermal protrusion | Takamitsu Sakamoto, Naoto Matono, Shin Narushima, Hiromichi Umehara | 2010-12-07 |
| 7843667 | Thin film magnetic head, head gimbal assembly, head arm assembly and magnetic disk device | Kei Hirata, Norikazu Ota, Yuichi Watabe, Tetsuro Sasaki, Takeo Kagami +6 more | 2010-11-30 |
| 7808743 | Perpendicular magnetic write head having a structure that suppresses unintended erasure of information on a write medium at a non-writing time | Naoto Matono, Shin Narushima, Takamitsu Sakamoto, Koichi Otani | 2010-10-05 |
| 7796359 | Magnetic head for perpendicular magnetic recording and method of manufacturing the same, the magnetic head including pole layer and two shields sandwiching the pole layer | Koichi Otani, Hiromichi Umehara, Naoto Matono, Takamitsu Sakamoto, Hidetaka Kawano | 2010-09-14 |
| 7787215 | Thin film magnetic head in which thermal protrusion is suppressed and method of forming the same | Shin Narushima, Naoto Matono, Takamitsu Sakamoto, Koichi Otani | 2010-08-31 |
| 7672084 | Composite thin-film magnetic head with non-magnetic conductive layer electrically connected with lower pole layer to increase counter electrode area | Takeo Kagami, Tetsuya Kuwashima | 2010-03-02 |
| 7573675 | Thin film magnetic head | Naoki Ohta, Kazuki Sato, Takeo Kagami | 2009-08-11 |
| 7548400 | Thin-film magnetic head comprising bias layers having a large length in track width direction | Takeo Kagami, Kazuki Sato, Takayasu Kanaya | 2009-06-16 |
| 7542245 | Composite thin-film magnetic head with non-magnetic conductive layer to balance parasitic capacitances | Takeo Kagami, Tetsuya Kuwashima | 2009-06-02 |
| 7489481 | CCP Head having leads of substantially the same size and shape and not intervening between a shield layer and a MR element | Kentaro Nagai, Takeo Kagami, Naoki Ohta, Satoshi Miura | 2009-02-10 |
| 7440237 | Thin film magnetic head, head gimbal assembly, and hard disk drive | Nozomu Hachisuka | 2008-10-21 |
| 7436633 | Thin-film magnetic head, head gimbal assembly and hard disk system | Hiroshi Kiyono, Tetsuya Kuwashima, Takeo Kagami, Naoki Ohta, Nozomu Hachisuka | 2008-10-14 |
| 7398591 | Manufacturing method of a thin-film magnetic head | Takeo Kagami, Takayasu Kanaya, Kazuki Sato | 2008-07-15 |
| 7287316 | Lapping monitor device, system and method | Nozomu Hachisuka, Yasutoshi Fujita | 2007-10-30 |
| 7274539 | Composite type thin film magnetic head having a low parasitic capacitance between a write coil and an upper read head shield | Hiroshi Kiyono, Nozomu Hachisuka, Shunji Saruki | 2007-09-25 |
| 7192676 | Magneto-resistance effect element bar exposure method | Hitoshi Hatate, Tetsuya Kuwashima, Tsuneo Kagotani | 2007-03-20 |
| 7190559 | Thin-film magnetic head having the length of the pinned and antiferromagnetic layers greater than the width dimension thereof and/or the length of the free layer | Takeo Kagami | 2007-03-13 |
| 7057260 | Method of making thin-film magnetic head | Hitoshi Hatake, Tsuneo Kagotani | 2006-06-06 |
| 6886239 | Method of making a thin-film magnetic head having a magnetoresistive device | Tsuneo Kagotani, Hitoshi Hatate | 2005-05-03 |
| 6822837 | Thin-film magnetic head and method of manufacturing same, and method of forming a patterned thin film for a thin-film magnetic head | Takeo Kagami | 2004-11-23 |
| 6792670 | Method of manufacturing a magnetoresistive element substructure | Kazuki Sato, Koji Shimazawa | 2004-09-21 |
| 6671141 | Tunnel magnetoresistive effective element, a thin film magnetic head, a magnetic head device and a magnetic disk drive device | Koji Shimazawa, Satoru Araki | 2003-12-30 |