Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847983 | Method of making a crystallized glass-bonded amorphous metal magnetic film-non-magnetic substrate magnetic head | Nobuyuki Kaminaka | 1989-07-18 |
| 4841401 | Amorphous magnetic head | Akio Kuroe, Eisuke Sawai, Masaru Higashionji, Hiroshi Sakakima, Kenji Kondo | 1989-06-20 |
| 4836865 | Magnetic nitride film | Hiroshi Sakakima, Koichi Osano, Yuji Omata, Koichi Kugimiya | 1989-06-06 |