Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4327430 | Information signal recording medium of rotary type with overlapped tracks | Yoshiyo Wada, Hisao Kinjo | 1982-04-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4327430 | Information signal recording medium of rotary type with overlapped tracks | Yoshiyo Wada, Hisao Kinjo | 1982-04-27 |