Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4620065 | Automatic telephone answering and recording apparatus | Motoichi Hattori | 1986-10-28 |
| 4571457 | Automatic telephone answering and recording apparatus | Motoichi Hattori | 1986-02-18 |
| 4514593 | Automatic telephone answering and recording apparatus | Motoichi Hattori | 1985-04-30 |
| 4471393 | Tape recorder | Minoru Nishizono | 1984-09-11 |