Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7567147 | Directional coupler | Atsushi Toujo | 2009-07-28 |
| 5400000 | Band-pass filter having two loop-shaped electrodes | Hisatake Okamura, Masahiro Kasahara, Tetsuo Taniguchi | 1995-03-21 |