Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837758 | Magneto-optical recording reproducing device having field applying means | Kazuyasu Motoyama, Tsuneo Yanagida, Mitsugu Sakai, Akihiko Yoshizawa | 1989-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837758 | Magneto-optical recording reproducing device having field applying means | Kazuyasu Motoyama, Tsuneo Yanagida, Mitsugu Sakai, Akihiko Yoshizawa | 1989-06-06 |