Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4339813 | Apparatus for detecting groove end of record disk | Norio Tomisawa, Atsushi Takeuchi | 1982-07-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4339813 | Apparatus for detecting groove end of record disk | Norio Tomisawa, Atsushi Takeuchi | 1982-07-13 |