Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4982424 | Telephone having receive call indicating function and mute/light key | Akio Saito, Masahiro Ishigami | 1991-01-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4982424 | Telephone having receive call indicating function and mute/light key | Akio Saito, Masahiro Ishigami | 1991-01-01 |