Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4212470 | Head shell for pick-up arms and method of making same | — | 1980-07-15 |
| 4212490 | Head shell for pick-up arms and method of making same | Yasuo Kishida | 1980-07-15 |
| 4202550 | Stereo lead wires and arrangements thereof for connecting pick-up device to amplifier | — | 1980-05-13 |