Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371725 | Position control system for a read-write head of a magneto-optical disc player having heads which move independently from each other | Naoharu Yanagawa | 1994-12-06 |
| 5321686 | Read-write head of an magneto-optical disc player with both heads magnetically coupled together | Naoharu Yanagawa | 1994-06-14 |