Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9275537 | Inter-communication system and notification method for inter-communication system | Hirotaka Fukutsuka, Ryosuke Kitago | 2016-03-01 |
| 8884758 | Inter-communication system and event occurrence notification method for inter-communication system | Hirotaka Fukutsuka, Ryosuke Kitago | 2014-11-11 |