Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D502156 | Main unit of entrance television phone system | Tamotsu Senda | 2005-02-22 |
| D500748 | Main unit and recording unit of entrance television phone system | Tamotsu Senda | 2005-01-11 |
| D500751 | Outdoor intercom unit | Tamotsu Senda | 2005-01-11 |
| D500479 | Main unit of entrance television phone system | Tamotsu Senda | 2005-01-04 |