Issued Patents All Time
Showing 1–4 of 4 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 |
| 4699702 | Process for preparing soft magnetic film of Permalloy | Ryoji Minakata, Mitsuhiko Yoshikawa | 1987-10-13 |
| 4639806 | Thin film magnetic head having a magnetized ferromagnetic film on the MR element | Teiichi Miyauchi, Mitsuhiko Yoshikawa | 1987-01-27 |