Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8472137 | Magnetic head and method of manufacture thereof wherein the head includes a pole layer and non-magnetic layer having a continuous tapered face opposed to a trailing shield | Kei Hirata, Kenkichi Anagawa, Michitaka Nishiyama, Hideyuki Yatsu, Hisayoshi Watanabe +1 more | 2013-06-25 |
| 8102622 | Perpendicular magnetic write head, method of manufacturing the same and method of forming magnetic layer pattern | Atsushi Yamaguchi, Michitaka Nishiyama, Hiromichi Umehara, Makoto Sato, Tatsuhiro Nojima | 2012-01-24 |
| 8072706 | Magnetic head for perpendicular magnetic recording and method of manufacturing same | Kei Hirata, Hideyuki Ukita, Isamu Toba, Hiromichi Umehara, Hisayoshi Watanabe +1 more | 2011-12-06 |
| 7848056 | Thin film magnetic head having thermal expansion layer for suppressing thermal protrusion | Takamitsu Sakamoto, Naoto Matono, Noriaki Kasahara, Hiromichi Umehara | 2010-12-07 |
| 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, Noriaki Kasahara, Takamitsu Sakamoto, Koichi Otani | 2010-10-05 |
| 7787215 | Thin film magnetic head in which thermal protrusion is suppressed and method of forming the same | Naoto Matono, Takamitsu Sakamoto, Noriaki Kasahara, Koichi Otani | 2010-08-31 |
| 7372667 | Thin-film magnetic head, head gimbal assembly with thin-film magnetic head, head arm assembly with head gimbal assembly, magnetic disk drive apparatus with head gimbal assembly and manufacturing method of thin-film magnetic head | Taro Oike, Hiraku Hirabayashi, Takamitsu Sakamoto, Kiyoshi Noguchi | 2008-05-13 |
| 7321480 | Thin-film magnetic head having magnetic layers of different thicknesses and fabrication method for same | Taro Oike, Kiyoshi Noguchi, Takamitsu Sakamoto, Hiraku Hirabayashi | 2008-01-22 |
| 7239480 | Thin film magnetic head having an upper pole portion with a width that increases towards an abs | Hiraku Hirabayashi, Kiyoshi Noguchi, Taro Oike, Takamitsu Sakamoto | 2007-07-03 |
| 7197814 | Method for fabricating a thin film magnetic head | Taro Oike, Makoto Yoshida, Tetsuo Miyazaki, Hiroyuki Miyamoto | 2007-04-03 |
| 6920685 | Method for fabricating a thin film magnetic head | Taro Oike, Makoto Yoshida, Tetsuo Miyazaki, Hiroyuki Miyamoto | 2005-07-26 |