Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7017575 | Oxygen supply apparatus, controller for the oxygen supply apparatus, and recording medium for the controller | Hideaki Yagi | 2006-03-28 |
| 6982845 | Magnetic recording apparatus and magnetic recording method | Tadashi Kai, Masayuki Takagishi, Masashi Sahashi, Hitoshi Iwasaki, Akira Kikitsu | 2006-01-03 |
| 6972923 | Magnetic recording medium and magnetic recording/reproducing apparatus using the same | Akira Kikitsu, Tadashi Kai, Toshihiko Nagase, Tomoyuki Maeda, Hisanori Aikawa | 2005-12-06 |
| 6930847 | Magnetic recording-reproducing apparatus | Tadashi Kai, Akira Kikitsu, Toshihiko Nagase, Tomoyuki Maeda | 2005-08-16 |
| 6894857 | Magnetic recording apparatus and method of designing the same | Akira Kikitsu | 2005-05-17 |
| 6881495 | Magnetic recording medium including functional and recording layers orthogonally exchange coupled | Akira Kikitsu, Tadashi Kai | 2005-04-19 |
| 6837244 | Oxygen enriching apparatus, controller for the oxygen enriching apparatus, and recording medium for the controller | Hideaki Yagi, Takahito Kojima | 2005-01-04 |
| 6830824 | Magnetic recording medium with multiple magnetic layers capable of being exchange coupled at elevated temperatures and magnetic recording apparatus | Akira Kikitsu, Katsutaro Ichihara, Tadashi Kai, Toshihiko Nagase, Tomoyuki Maeda | 2004-12-14 |
| 6795380 | Optically-assisted magnetic recording head and optically-assisted magnetic recording apparatus | Akira Kikitsu, Tadashi Kai, Toshihiko Nagase, Tomoyuki Maeda | 2004-09-21 |
| 6777078 | Magnetic recording medium with L10 crystal grains including three or more elements | Tomoyuki Maeda, Akira Kikitsu, Toshihiko Nagase | 2004-08-17 |
| 6741524 | Thermally-assisted magnetic recording and reproducing device having an electron beam thermal source | Katsutaro Ichihara, Akira Kikitsu, Tsutomu Tanaka, Kuniyoshi Tanaka | 2004-05-25 |
| 6636460 | Thermally-assisted magnetic recording method and thermally-assisted magnetic recorder | Katsutaro Ichihara, Akira Kikitsu | 2003-10-21 |
| 6483673 | Differential detection magnetoresistance head with laminated structure | Hitoshi Iwasaki, Yuichi Ohsawa, Reiko Kondoh, Yuzo Kamiguchi, Susumu Hashimoto +3 more | 2002-11-19 |
| 6285528 | Thin-film magnetic head | Hiroaki Yoda | 2001-09-04 |
| 6195233 | Perpendicular thin-film magnetic head | Hiroaki Yoda | 2001-02-27 |
| 6172858 | Thin film head | Hiroaki Yoda, Yuichi Ohsawa, Kohichi Tateyama, Reiko Kondoh, Toshihiko Ohta +1 more | 2001-01-09 |
| 6046891 | Thin film head | Hiroaki Yoda, Yuichi Ohsawa, Kohichi Tateyama, Reiko Kondoh, Toshihiko Ohta +1 more | 2000-04-04 |
| 6021024 | Magnetic disk drive having a constant skew angle | Tetsuo Inoue, Keiko Higashi, Yasuo Ohtsubo, Kazushi Tanimoto | 2000-02-01 |
| 5949600 | Signal reproduction method and magnetic recording and reproducing apparatus using tunnel current | Yoichiro Tanaka | 1999-09-07 |
| 5942342 | Perpendicular recording medium and magnetic recording apparatus | Takashi Hikosaka, Yoichiro Tanaka | 1999-08-24 |
| 5905611 | Thin film magnetic head responsive to spin-dependent scattering | Hiroaki Yoda, Yuichi Ohsawa, Kohichi Tateyama, Reiko Kondoh, Toshihiko Ohta +1 more | 1999-05-18 |
| 5828525 | Differential detection magnetoresistance head | Hitoshi Iwasaki, Yuichi Ohsawa, Reiko Kondoh, Yuzo Kamiguchi, Susumu Hashimoto +3 more | 1998-10-27 |
| 5815342 | Perpendicular magnetic recording/reproducing apparatus | Yoichiro Tanaka | 1998-09-29 |
| 5801908 | Magnetic disk drive comprising rotary actuator arm having optimal arm length for minimizing track misregistration | Tetsuo Inoue | 1998-09-01 |
| 5792564 | Perpendicular recording medium and magnetic recording apparatus | Takashi Hikosaka, Yoichiro Tanaka | 1998-08-11 |