Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8040235 | Relay apparatus and electric appliance | Hisao Koga, Yuji Igata, Fumio Ichihara, Mutsuhiko Oishi | 2011-10-18 |
| 7912139 | Multi-carrier communication apparatus, power line communication circuit, and multi-carrier communication method | Nobutaka Kodama, Hisao Koga, Mutsuhiko Oishi, Fumio Ichihara | 2011-03-22 |