Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8847681 | Combiner for Doherty amplifier | Masahiko Namerikawa, Shinsuke Yano, Tatsuya Tsuruoka, Takami Hirai, Hideaki Okubo +1 more | 2014-09-30 |
| 6559738 | Unidirectional transducer and saw filter comprising the same | Tatsuya Tsuruoka, Kenji Suzuki | 2003-05-06 |
| 5710529 | Surface acoustic wave filer device having a cascade filter structure and a piezoelectric substrate having mirror-polished surfaces | Masahiko Sugiyama, Masatsugu Oshima, Kenji Suzuki | 1998-01-20 |
| 5438306 | Surface acoustic wave filter device with symmetrical electrode arrangement | Kazuhiko Yamanouchi, Mitsuhiro Tanaka | 1995-08-01 |
| 5294859 | Surface acoustic wave filter device | Kazuhiko Yamanouchi, Mitsuhiro Tanaka, Masahiko Sugiyama, Masatsugu Oshima, Kenji Suzuki | 1994-03-15 |