Issued Patents 2003
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648985 | Method of producing exchange coupling film and method of producing magnetoresistive sensor by using exchange coupling | Naoya Hasegawa, Yosuke Ide, Kenichi Tanaka | 2003-11-18 |
| 6646835 | Spin-valve magnetoresistive thin film element | Naoya Hasegawa | 2003-11-11 |
| 6639764 | Spin-valve magnetoresistive thin film element | Naoya Hasegawa | 2003-10-28 |
| 6639762 | Spin valve thin-film magnetic device having free magnetic layer in ferrimagnetic state and manufacturing method therefor | Kenichi Tanaka, Yosuke Ide, Fumihito Koike, Naoya Hasegawa | 2003-10-28 |
| 6635366 | Spin valve thin film magnetic element and thin film magnetic head | Kenichi Tanaka, Yosuke Ide, Naoya Hasegawa | 2003-10-21 |
| 6628483 | Dual spin-valve magnetoresistive thin film element | Naoya Hasegawa | 2003-09-30 |
| 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 |
| 6607641 | Method of producing exchange coupling film and method of producing magnetoresistive sensor by using the exchange coupling film | Naoya Hasegawa, Yosuke Ide, Kenichi Tanaka | 2003-08-19 |
| 6608740 | Spin-valve thin-film magnetic element provided with single free magnetic layer | Kenichi Tanaka, Yosuki 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 |