Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9721592 | Perpendicular magnetic recording head with trailing gap covering magnetic pole and side gaps and method of manufacturing same | Kei Hirata | 2017-08-01 |
| 8867168 | Magnetic head for perpendicular magnetic recording having a write shield | Norikazu Ota, Masahiro Saito, Taro Oike, Takeo Kagami, Yosuke Antoku +4 more | 2014-10-21 |
| 8568908 | Method for manufacturing magnetic film and magnetic film | Kei Hirata, Atsushi Yamaguchi | 2013-10-29 |
| 8243387 | Magnetic head with plated magnetic film formed on PdNi alloy electrode film | Atsushi Yamaguchi, Kiyoshi Noguchi, Masashi Sano | 2012-08-14 |
| 8174793 | Thin film magnetic head and magnetic disk device and electronic component | Yasuhiro Hasegawa, Hiroshi Fumoto, Yoshiaki Tanaka, Katsuya Kanakubo, Soji Koide +1 more | 2012-05-08 |
| 7983001 | Slider mounted magnetic head having a perpendicular recording head with a main pole having a ruthenium(Ru) electrode film | Makoto Sato, Atsushi Yamaguchi, Masashi Sano, Kenzo Makino | 2011-07-19 |
| 7859792 | Magnetic head with a recording element including a non-magnetic film and a magnetic pole film of an electrode and plated film formed in a depression of the magnetic pole film | Atsushi Yamaguchi, Masashi Sano, Kiyoshi Noguchi | 2010-12-28 |
| 7854829 | Method of plating and method of manufacturing a micro device | Akifumi Kamijima, Atsushi Yamaguchi, Masahiro Saito, Yuji Otsubo, Souhei Horiuchi | 2010-12-21 |
| 7848055 | Magnetic head with an electrode film including different film thicknesses | Atsushi Yamaguchi, Kiyoshi Noguchi, Masashi Sano | 2010-12-07 |
| 7817374 | Thin film device with lead conductor film of increased surface area | Atsushi Yamaguchi, Kiyoshi Noguchi, Makoto Sato | 2010-10-19 |
| 7808742 | Thin-film magnetic head comprising shield/magnetic-pole layer having surface without right nor sharp angle | Akifumi Kamijima, Hideyuki Yatsu, Hitoshi Hatate, Hisayoshi Watanabe, Atsushi Yamaguchi +1 more | 2010-10-05 |
| 7540946 | Plating apparatus | Atsushi Yamaguchi | 2009-06-02 |