Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10159373 | Reception box | Masatsugu Sugimoto | 2018-12-25 |
| 4612590 | Tape drive device for telephone answering device | — | 1986-09-16 |
| 4394697 | Magnetic recording/reproducing apparatus | — | 1983-07-19 |