Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7961632 | Communication apparatus and OAM frame transmission method | — | 2011-06-14 |
| 7885181 | Ring node apparatus | Toshihiro Ban, Takashi Fukagawa, Kazuhiro Minamimoto, Yasushi Nishine | 2011-02-08 |
| 7881346 | Method and apparatus for transmitting terrestrial digital signal | Kazuhiro Ohnuma, Toshihiro Ban | 2011-02-01 |