Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8369236 | Frequency division multiplex transmission device | Kenichiro Koyanagi | 2013-02-05 |
| 7881659 | Radio frequency repeater | Shinichi Kawashima, Mitsuhiro Ono, Kazutomo Tsuji, Toshinao Oba | 2011-02-01 |
| 7260404 | Base station control apparatus and frequency allocation method for same | — | 2007-08-21 |