Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345322 | Pickup cartridge for reproducing signals recorded on a 45-45 stereophonic record disk | Hisashi Okada | 1982-08-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345322 | Pickup cartridge for reproducing signals recorded on a 45-45 stereophonic record disk | Hisashi Okada | 1982-08-17 |