Issued Patents All Time
Showing 51–75 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7180704 | Magnetic head for perpendicular recording and magnetic disk storage apparatus mounting the head | Atsushi Nakamura, Yoji Maruyama | 2007-02-20 |
| 7088548 | Perpendicular magnetic recording system | Yasutaka Nishida, Hisashi Takano | 2006-08-08 |
| 7054105 | Magnetic recording head for perpendicular recording and including a portion protruding toward a mail pole and magnetic disc storage apparatus mounting the magnetic head | Atsushi Nakamura, Kimitoshi Etoh | 2006-05-30 |
| 7038881 | Magnetic head for perpendicular recording including a main pole having a pole tip with three tapered sides | Kenchi Ito, Yoshiaki Kawato | 2006-05-02 |
| 7031108 | Magnetic head for perpendicular recording and magnetic disk storage apparatus mounting the head | Atsushi Nakamura, Yoji Maruyama | 2006-04-18 |
| 7027248 | Magnetic disk apparatus having an adjustable mechanism to compensate write or heat element for off-tracking position with yaw angle | Takehiko Hamaguchi, Atsushi Nakamura, Yasutaka Nishida, Hideki Sawaguchi | 2006-04-11 |
| 7024617 | Data decoding method and circuit and information recording and reproducing apparatus using the same | Hideki Sawaguchi, Yasutaka Nishida, Hiroyuki Tsuchinaga | 2006-04-04 |
| 6995949 | Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the same | Atsushi Nakamura, Tomohiro Okada, Kimitoshi Etoh, Isao Nunokawa, Yoshiaki Kawato | 2006-02-07 |
| 6952380 | Apparatus and method for recording information | Fumio Isshiki, Atsuko Kuroda, Takayuki Ichihara, Takuya Matsumoto | 2005-10-04 |
| 6891697 | Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the same | Atsushi Nakamura, Tomohiro Okada, Kimitoshi Etoh, Isao Nunokawa, Yoshiaki Kawato | 2005-05-10 |
| 6813116 | Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the same | Atsushi Nakamura, Tomohiro Okada, Kimitoshi Etoh, Isao Nunokawa, Yoshiaki Kawato | 2004-11-02 |
| 6775099 | High gradient-field recording head for perpendicular magnetic recording | Atsuko Kuroda | 2004-08-10 |
| 6741421 | Magnetic head for perpendicular recording and magnetic disk storage apparatus mounting the head | Tomohiro Okada, Atsushi Nakamura | 2004-05-25 |
| 6710972 | Magnetic head for perpendicular recording and magnetic disk storage apparatus mounting the head | Atsushi Nakamura, Yoji Maruyama | 2004-03-23 |
| 6710973 | Single pole type recording head including tapered edges | Tomohiro Okada, Yoshiaki Kawato, Yasutaka Nishida, Yasuo Wakaki, Hisashi Takano | 2004-03-23 |
| 6657813 | Perpendicular magnetic recording system | Yasutaka Nishida, Hisashi Takano | 2003-12-02 |
| 4488286 | Signal-pickup cartridge for a rotary recording medium reproducing apparatus | Takashi Saito, Masayoshi Uchida, Norimasa Arai | 1984-12-11 |
| 4433406 | Rotary recording medium clamping mechanism | Takashi Saito, Norimasa Arai | 1984-02-21 |
| 4433405 | Rotary recording medium reproducing apparatus having a mechanism for connecting a lid member to a jacket | Takashi Saito | 1984-02-21 |
| 4419709 | Case for a disc-shaped recording medium | Takashi Saito, Osamu Tajima | 1983-12-06 |
| D271688 | Pre-recorded cartridge video/audio disk | Osamu Tajima, Takashi Yamamura, Yoichi Mita | 1983-12-06 |
| 4384352 | Rotary recording medium reproducing apparatus | Takashi Saito, Toshio Hirano | 1983-05-17 |
| 4380780 | Disc-shaped recording medium reproducing apparatus | Atsumi Hirata, Osamu Tajima, Isami Kaneda, Hiroyuki Sugiyama, Takashi Saito | 1983-04-19 |
| D267714 | Pre-recorded cartridge video/audio disk | Osamu Tajima, Takashi Yamamura, Yoichi Mita | 1983-01-25 |
| 4360845 | Case for a disc-shaped recording medium | Osamu Tajima, Takashi Yamamura, Yoichi Mita | 1982-11-23 |