Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884156 | Magnetic head having a thin-film and a coil | Hideaki Miyakawa | 1989-11-28 |
| 4868972 | Method for manufacturing a magnetic head for performing high density recording and reproducing | Hideaki Miyakawa | 1989-09-26 |