Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866546 | Recording and reproducing apparatus for disk-type recording media | Shozo Nakagawa, Akihiro Takagi | 1989-09-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866546 | Recording and reproducing apparatus for disk-type recording media | Shozo Nakagawa, Akihiro Takagi | 1989-09-12 |