Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D686184 | Interphone | Kotaro Takahata | 2013-07-16 |
| D624522 | Interphone | Koutarou Takahata | 2010-09-28 |
| D624523 | Interphone | Koutarou Takahata | 2010-09-28 |
| D620917 | Interphone | Akihiro Hattori | 2010-08-03 |