Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825305 | Apparatus for recording and reproducing digital using dynamic range compression | Yoshizumi Watatani, Akitoshi Tsunoka | 1989-04-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825305 | Apparatus for recording and reproducing digital using dynamic range compression | Yoshizumi Watatani, Akitoshi Tsunoka | 1989-04-25 |