Issued Patents 1982
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365279 | Magnetic recording and reproducing apparatus with device for tracking control of rotary magnetic heads | — | 1982-12-21 |
| 4331976 | High density recording system using side-by-side information and servo tracks | Keiji Ozawa | 1982-05-25 |
| 4327430 | Information signal recording medium of rotary type with overlapped tracks | Yoshiyo Wada, Ichiro Ueno | 1982-04-27 |
| 4322836 | High density recording system using side-by side information and servo tracks | Keiji Ozawa | 1982-03-30 |
| 4321621 | High density recording system using side-by-side information and servo tracks | Keiji Ozawa | 1982-03-23 |
| 4315283 | High density recording system using side-by-side information and servo tracks | Keiji Ozawa | 1982-02-09 |