Issued Patents All Time
Showing 126–150 of 178 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6608739 | Spin valve thin film magnetic element having first and second free magnetic layers having antiparallel magnetization directions | Kenichi Tanaka, Yosuke Ide, Naoya Hasegawa | 2003-08-19 |
| 6597542 | Dual spin-valve magnetoresistive thin film element | Naoya Hasegawa | 2003-07-22 |
| 6594121 | Thin-film magnetic head provided with magnetoresistive thin-film element | — | 2003-07-15 |
| 6591479 | Production method for a spin-valve type magnetoresistive element | Yukie Nakazawa, Naoya Hasegawa, Akihiro Makino | 2003-07-15 |
| 6586121 | Spin-valve thin-film magnetic element | Yosuke Ide, Kenichi Tanaka, Naoya Hasegawa | 2003-07-01 |
| 6549384 | Spin-valve magnetoresistive thin film element | Naoya Hasegawa | 2003-04-15 |
| RE37992 | Magnetoresistive head using exchange anisotropic magnetic field with an antiferromagnetic layer | Toshinori Watanabe, Toshihiro Kuriyama | 2003-02-18 |
| 6504688 | Magnetoresistive sensor capable of providing strong exchange coupling magnetic field, and thin-film magnetic head using the same | Naoya Hasegawa | 2003-01-07 |
| 6496338 | Spin-valve magnetoresistive sensor including a first antiferromagnetic layer for increasing a coercive force and a second antiferromagnetic layer for imposing a longitudinal bias | Naoya Hasegawa, Akihiro Makino | 2002-12-17 |
| RE37819 | Manufacturing method for magnetoresistive head having an antiferromagnetic layer of PTMN | Toshinori Watanabe, Toshihiro Kuriyama | 2002-08-13 |
| 6424506 | Spin-valve magnetoresistive thin film element | Naoya Hasegawa | 2002-07-23 |
| 6387548 | Exchange coupling film and magnetoresistance effect type element using this exchange coupling film, and thin film magnetic head using the magnetoresistance effect type element | Naoya Hasegawa, Kazuya Oominato, Yutaka Yamamoto, Akihiro Makino | 2002-05-14 |
| 6352621 | Method of manufacturing film laminate having exchange anisotropic magnetic field | Toshinori Watanabe | 2002-03-05 |
| 6347022 | Spin-valve type magnetoresistive thin film element and spin-valve type magnetoresistive thin film head using the same | — | 2002-02-12 |
| 6307722 | Thin-film magnetic head and production method thereof | Kiyoshi Sato, Yoshihiko Kakihara, Toshihiro Kuriyama, Toshinori Watanabe | 2001-10-23 |
| 6301089 | Spin-valve type magnetoresistive thin film element comprising free magnetic layer having nife alloy layer | Naoya Hasegawa | 2001-10-09 |
| 6295186 | Spin-valve magnetoresistive Sensor including a first antiferromagnetic layer for increasing a coercive force and a second antiferromagnetic layer for imposing a longitudinal bias | Naoya Hasegawa, Akihiro Makino | 2001-09-25 |
| 6282069 | Magnetoresistive element having a first antiferromagnetic layer contacting a pinned magnetic layer and a second antiferromagnetic layer contacting a free magnetic layer | Yukie Nakazawa, Naoya Hasegawa, Akihiro Makino | 2001-08-28 |
| 6221172 | Manufacturing method of spin-valve magnetoresistive thin film element | Naoya Hasegawa | 2001-04-24 |
| 6210818 | Magnetoresistive element | — | 2001-04-03 |
| 6201465 | Magnetoresistive sensor and its manufacturing method | Toshinori Watanabe, Kiyoshi Sato, Toshihiro Kuriyama | 2001-03-13 |
| 6198378 | Magnetoresisitive sensor and manufacturing method therefor | Toshinori Watanabe, Kiyoshi Sato, Toshihiro Kuriyama | 2001-03-06 |
| 6157524 | Method of manufacturing spin-valve type thin film element having remagnetized bias layer | Yukie Nakazawa | 2000-12-05 |
| 6153062 | Magnetoresistive sensor and head | Toshinori Watanabe | 2000-11-28 |
| 6150045 | Spin-valve type magnetoresistive thin film element and its manufacturing method | Toshihiro Kuriyama | 2000-11-21 |