Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8847751 | Line status detection apparatus, communication apparatus, and line status detection method | Fumio Ichihara, Akihiro Yamashita, Nobutaka Kodama, Masahiro Maki, Tsunehiro Hanada +5 more | 2014-09-30 |
| 8331503 | Receiving level control apparatus and receiver | — | 2012-12-11 |