Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4307045 | Method for the improvement of a gramophone record | Kiyoshi Imada, Susumu Ueno, Yasuhide Nishina | 1981-12-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4307045 | Method for the improvement of a gramophone record | Kiyoshi Imada, Susumu Ueno, Yasuhide Nishina | 1981-12-22 |