Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8937869 | Communication device, communication system, and communication fault detection method | Shinichi Akahane, Teruo Kaganoi, Kazuo Sugai | 2015-01-20 |
| 8064353 | Communication device, communication system, and communication fault detection method | Shinichi Akahane, Teruo Kaganoi, Kazuo Sugai | 2011-11-22 |