Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816946 | Method of manufacturing thin film magnetic head | Hidenori Yamasaki, Mitsuhiko Yoshikawa | 1989-03-28 |
| 4803581 | Thin film yoke-type magnetoresistive head | Teiichi Miyauchi, Kiyohito Nakai, Kengo Shiiba, Mitsuhiko Yoshikawa | 1989-02-07 |