Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5475554 | Magnetic head using specified Fe Ta N Cu or Fe Ta N Ag alloy film | Nobuyuki Ishiwata | 1995-12-12 |
| 5304258 | Magnetic alloy consisting of a specified FeTaN Ag or FeTaNCu composition | Nobuyuki Ishiwata | 1994-04-19 |
| 4980875 | Magneto-optical disk with perpendicular magnetic anisotropy film and high corrosion-resistant film | Nobuyuki Ishiwata, Takayuki Matsumoto, Toshiyuki Okumura, Junichi Homma, Susumu Ito | 1990-12-25 |