Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851935 | Drum assembly for a magnetic recording and reproducing apparatus | Sadahiro Ohyama, Yoshiaki Morita, Yoshiaki Ueno | 1989-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851935 | Drum assembly for a magnetic recording and reproducing apparatus | Sadahiro Ohyama, Yoshiaki Morita, Yoshiaki Ueno | 1989-07-25 |