Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6069762 | Magnetic recording drive having arrangement for averaging useful life of magnetoresistive effect sensors | Hajime Aoi, Toshiaki Tsuyoshi, Makoto Koizumi, Nobumasa Nishiyama, Takuji Ogawa +1 more | 2000-05-30 |
| 6014275 | Magnetic recording drive | Hajime Aoi, Toshiaki Tsuyoshi, Makoto Koizumi, Nobumasa Nishiyama, Takuji Ogawa +1 more | 2000-01-11 |
| 6011674 | Magnetoresistance effect multilayer film with ferromagnetic film sublayers of different ferromagnetic material compositions | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 2000-01-04 |
| 5906884 | Magnetic recording medium | Yotsuo Yahisa, Joe Inagaki, Enji Fujita, Takao Yonekawa, Mitsuhiro Shoda +3 more | 1999-05-25 |
| 5851643 | Magnetic recording media and magnetic recording read-back system which uses such media | Yukio Honda, Nobuyuki Inaba, Mikio Suzuki, Masaaki Futamoto, Hiroyuki Awano +1 more | 1998-12-22 |
| 5766718 | Longitudinal magnetic recording medium and apparatus | Masaaki Futamoto, Fumio Kugiya, Yoshinori Miyamura, Takeshi Nakano, Hisashi Takano +3 more | 1998-06-16 |
| 5736235 | Magnetic recording medium having at least two magnetic layers with easy axes oriented in the same direction | Masaaki Futamoto, Yoshinori Miyamura, Tokuho Takagaki, Hisashi Takano, Fumio Kugiya +5 more | 1998-04-07 |
| 5726837 | Multilayer magnetoresistance effect-type magnetic head | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 1998-03-10 |
| 5685958 | Method of fabricating a magnetic recording medium | Masaaki Futamoto, Atsushi Nakamura, Nobuyuki Inaba, Yoshiyuki Hirayama, Mikio Suzuki +1 more | 1997-11-11 |
| 5665478 | Magnetic recording media for longitudinal recording | Hiroyuki Suzuki, Yoshihiro Shiroishi, Sadao Hishiyama, Tomoyuki Ohno, Yotsuo Yahisa +5 more | 1997-09-09 |
| 5599580 | Method of fabricating a magnetic recording medium | Masaaki Futamoto, Atsushi Nakamura, Nobuyuki Inaba, Yoshiyuki Hirayama, Mikio Suzuki +1 more | 1997-02-04 |
| 5572379 | Magnetic recording drive having arrangements for average useful life of magnetorestive effects sensors | Hajime Aoi, Toshiaki Tsuyoshi, Makoto Koizumi, Nobumasa Nishiyama, Takuji Ogawa +1 more | 1996-11-05 |
| 5568331 | Method of head positioning and magnetic recording disk drive using the same | Kyo Akagi, Masaaki Futamoto, Fumio Kugiya, Yoshinori Miyamura, Hisashi Takano +8 more | 1996-10-22 |
| 5536585 | Magnetic recording medium and fabrication method therefor | Masaaki Futamoto, Atsushi Nakamura, Nobuyuki Inaba, Yoshiyuki Hirayama, Mikio Suzuki +1 more | 1996-07-16 |
| 5390061 | Multilayer magnetoresistance effect-type magnetic head | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 1995-02-14 |
| 5372843 | Process for producing a magnetic recording medium using a patterned diffusion barrier | Yoshinori Miyamura, Masaaki Futamoto | 1994-12-13 |
| 5325244 | Magnetic recording data storage system | Hisashi Takano, Kyo Akagi, Mikio Suzuki, Takeshi Nakao, Yoshinori Miyamura +8 more | 1994-06-28 |
| 5147732 | Longitudinal magnetic recording media and magnetic memory units | Yoshihiro Shiroishi, Takeo Yamashita, Sadao Hishiyama, Noriyuki Kumasaka, Hiroyuki Suzuki +4 more | 1992-09-15 |
| 5143794 | Magnetic recording media for longitudinal recording, process for producing the same and magnetic memory apparatus | Hiroyuki Suzuki, Yoshihiro Shiroishi, Sadao Hishiyama, Tomoyuki Ohno, Yotsuo Yahisa +5 more | 1992-09-01 |
| 5093822 | High-density magnetic recording and optical reproducing apparatus | Fumio Kugiya, Mikio Suzuki, Kyo Akagi, Takeshi Nakao, Masaaki Futamoto +2 more | 1992-03-03 |
| 4939045 | Magnetic recording medium | Kazuetsu Yoshida, Yoshihiro Shiroishi, Makoto Saito, Norikazu Tsumita, Takeo Yamashita +8 more | 1990-07-03 |
| 4883711 | Magnetic recording medium | Yoshihiro Shiroishi, Sadao Hishiyama, Hiroyuki Suzuki, Tomoyuki Ohno, Kazumasa Takagi +4 more | 1989-11-28 |
| 4833020 | Magnetic recording medium | Yoshihiro Shiroishi, Sadao Hishiyama, Hiroyuki Suzuki, Tomoyuki Ohno, Kazumasa Takagi +4 more | 1989-05-23 |