Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9710681 | Communications system, relay communications device, relay communications device and electromagnetic induction communications device combination, electromagnetic induction communications device, information storage medium, and information storage medium production method | Tomoya Akiyama | 2017-07-18 |
| 9219529 | Communication system, information recording medium, and relay communication device | Tomoya Akiyama | 2015-12-22 |
| 8983529 | Communication system, information recording medium, and relay communication device | Tomoya Akiyama | 2015-03-17 |