Issued Patents All Time
Showing 76–92 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6141859 | Method for making a merged head device | Tsutomu Ishi, Kiyokazu Nagahara, Kazumasa Kumagai | 2000-11-07 |
| 6125009 | Magnetoresistive effect composite head having a pole containing Co-M | Tsutomu Ishi, Kiyokazu Nagahara, Kazumasa Kumagai | 2000-09-26 |
| 6057991 | Thin film magnetic head with an improved surface to reduce the occurrence of head crash | Tsutomu Ishi, Kiyokazu Nagahara, Kazumasa Kumagai | 2000-05-02 |
| 6055137 | Magnetoresistive effect composite head with configured pole tip | Tsutomu Ishi, Kiyokazu Nagahara, Kazumasa Kumagai | 2000-04-25 |
| 6026559 | Method for fabricating a complex magnetic head including a reproducing magneto-resistance head | — | 2000-02-22 |
| 5938941 | Magnetoresistance effect composite head and method of forming the same | Tsutomu Ishi, Kiyokazu Nagahara, Kazumasa Kumagai | 1999-08-17 |
| 5910870 | Magnetoresistive effect composite head with laminated magnetic layer isolated from magnetic pole layer | — | 1999-06-08 |
| 5892641 | Magnetoresistive effect head with individual layers satisfying a basic inequality involving layer thickness and ion milling rates | — | 1999-04-06 |
| 5876843 | Magnetoresistive element | — | 1999-03-02 |
| 5736264 | Magnetic core and magnetic head using the same | Yoshio Takeshima, Takahiro Korenari, Haruo Urai | 1998-04-07 |
| 5641557 | Magnetoresistive element | — | 1997-06-24 |
| 5572391 | Magnetic head | — | 1996-11-05 |
| 5475554 | Magnetic head using specified Fe Ta N Cu or Fe Ta N Ag alloy film | Chizuko Wakabayashi | 1995-12-12 |
| 5454920 | Sputtering method and apparatus for optimum saturation magnetostriction | — | 1995-10-03 |
| 5404259 | Magnetic head having high wear resistance and non-magnetic substrate used in the magnetic head | Toshiyuki Okumura, Haruo Urai, Mitsuo Tamura, Masataka Konno | 1995-04-04 |
| 5304258 | Magnetic alloy consisting of a specified FeTaN Ag or FeTaNCu composition | Chizuko Wakabayashi | 1994-04-19 |
| 4980875 | Magneto-optical disk with perpendicular magnetic anisotropy film and high corrosion-resistant film | Chizuko Wakabayashi, Takayuki Matsumoto, Toshiyuki Okumura, Junichi Homma, Susumu Ito | 1990-12-25 |