Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6950290 | Magnetoresistive effect transducer having longitudinal bias layer directly connected to free layer | Kazuhiko Hayashi, Nobuyuki Ishiwata, Masafumi Nakada, Tsutomu Ishi, Hiroaki Honjou +5 more | 2005-09-27 |
| 6934132 | Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage system | Kazuhiko Hayashi, Junichi Fujikata, Tsutomu Ishi, Shigeru Mori, Masafumi Nakada +3 more | 2005-08-23 |
| 6903908 | Magnetoresistive effect sensor with barrier layer smoothed by composition of lower shield layer | Kazuhiko Hayashi, Nobuyuki Ishiwata, Masafumi Nakada, Eizo Fukami, Kiyokazu Nagahara +4 more | 2005-06-07 |
| 6798626 | Magnetoresistive effect element having a ferromagnetic tunnel junction film with an oxide or nitride of a metallic material | Kazuhiko Hayashi, Nobuyuki Ishiwata, Masafumi Nakada, Eizo Fukami, Kiyokazu Nagahara +2 more | 2004-09-28 |
| 6795271 | Recording head, recording head manufacturing method, combined head and magnetic recording/reproduction apparatus | Nobuyuki Ishiwata, Hiroaki Honjo, Tamaki Toba, Shinsaku Saito, Yoshihiro Nonaka +2 more | 2004-09-21 |
| 6747853 | Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage system | Kazuhiko Hayashi, Junichi Fujikata, Tsutomu Ishi, Shigeru Mori, Masafumi Nakada +3 more | 2004-06-08 |
| 6718621 | Magnetoresistive head production method | Kazuhiko Hayashi, Nobuyuki Ishiwata, Masafumi Nakada, Eizo Fukami, Kiyokazu Nagahara +2 more | 2004-04-13 |
| 6714374 | Magnetoresistive sensor, magnetoresistive head, and magnetic recording/reproducing apparatus | Kazuhiko Hayashi, Stuart A. Solin, Tao Zhou | 2004-03-30 |
| 6624987 | Magnetic head with a tunnel junction including metallic material sandwiched between one of an oxide and a nitride of the metallic material | Kazuhiko Hayashi, Nobuyuki Ishiwata, Masafumi Nakada, Eizo Fukami, Kiyokazu Nagahara +2 more | 2003-09-23 |
| 6542342 | Magnetoresistive effect transducer having longitudinal bias layer directly connected to free layer | Kazuhiko Hayashi, Nobuyuki Ishiwata, Masafumi Nakada, Tsutomu Ishi, Hiroaki Honjou +5 more | 2003-04-01 |
| 6507466 | Magnetoresistive effect head with diode in parallel | Kazuhiko Hayashi | 2003-01-14 |
| 6507464 | Co-Fe-Ni magnetic film having a high saturation magnetic flux density, composite thin film magnetic head using the film and magnetic memory device using the head | Mikiko Saito, Tamaki Toba | 2003-01-14 |
| 6493195 | Magnetoresistance element, with lower electrode anti-erosion/flaking layer | Kazuhiko Hayashi, Nobuyuki Ishiwata, Masafumi Nakada, Eizo Fukami, Hiroaki Honjo +2 more | 2002-12-10 |
| 6490139 | Magneto-resistive element and magnetic head for data writing/reading | Kazuhiko Hayashi, Nobuyuki Ishiwata, Masafumi Nakada, Hisao Matsutera, Hisanao Tsuge +1 more | 2002-12-03 |
| 6452204 | Tunneling magnetoresistance transducer and method for manufacturing the same | Nobuyuki Ishiwata, Hisanao Tsuge | 2002-09-17 |
| 6134091 | Spin-valve magneto-resistive head with horizontal type structure | Kaoru Toki, Haruo Urai | 2000-10-17 |
| 6120918 | Co-Fe-Ni thin magnetic film, process for producing the same, composite thin film magnetic head, and magnetic recording device | Tetsuya Osaka, Mikiko Saito, Kazuhiko Yamada, Yoshihiko Yasue | 2000-09-19 |
| 5856898 | Spiral coil pattern including same layer spiral patterns suitable for use in a thin film head | — | 1999-01-05 |
| 5828533 | Thin film magnetic head with differing saturation magnetic flux density films and spacer between floating surface and coil patterns | Haruo Urai, Shinsaku Saito | 1998-10-27 |