Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6037699 | Surface acoustic wave device | Yasumi Kobayashi, Yasuhiro Hirao, Kosuke Takeuchi, Kenichi Shibata, Yusuke Takahashi +2 more | 2000-03-14 |
| 6034577 | Integrated interdigital electrode saw filter with specified distances between input/output electrodes | Yasuhiro Hirao, Yasumi Kobayashi, Kousuke Takeuchi, Kenichi Shibata | 2000-03-07 |
| 5914645 | Surface acoustic wave device with optimized ratio of film thickness to electrode period | Yasumi Kobayashi, Naoki Tanaka, Hiroshi Okano, Tatsuro Usuki, Kenichi Shibata | 1999-06-22 |
| 5877662 | Surface acoustic wave filter including series and parallel interdigital transducers | Yasumi Kobayashi, Yasuhiro Hirao, Kousuke Takeuchi, Hiroshi Kayaki, Yusuke Takahashi +3 more | 1999-03-02 |
| 5844453 | Surface acoustic wave filter utilizing a transducer having interdigital electrodes and continuously adjacent electrodes | Yasuhiro Hirao, Yasumi Kobayashi, Kousuke Takeuchi, Kenichi Shibata | 1998-12-01 |
| 5808523 | High frequency filter including both dielectric and surface acoustic wave resonators | Yasumi Kobayashi, Yasuhiro Hirao, Kousuke Takeuchi, Kenichi Shibata | 1998-09-15 |
| 5760522 | Surface acoustic wave device | Yasumi Kobayashi, Yasuhiro Hirao, Kosuke Takeuchi, Kenichi Shibata, Yusuke Takahashi +2 more | 1998-06-02 |
| 5719537 | Surface acoustic wave filter with range of a frequency difference between resonance frequencies of series and parallel resonators | Yasuhiro Hirao, Yasumi Kobayashi, Kosuke Takeuchi, Kenichi Shibata, Masami Ikeda +2 more | 1998-02-17 |
| 5719536 | Surface acoustic wave filter with optimized parallel and series resonator capacitances | Yasuhiro Hirao, Yasumi Kobayashi, Kosuke Takeuchi, Kenichi Shibata, Yusuke Takahashi +2 more | 1998-02-17 |
| 5675207 | Surface acoustic waver convolver | Yasuhiro Hirao, Yasumi Kobayashi, Kousuke Takeuchi, Kenichi Shibata | 1997-10-07 |
| 5663697 | Surface accoustic wave filter | Yasumi Kobayashi, Yasuhiro Hirao, Kousuke Takeuchi, Hiroshi Kayaki, Yusuke Takahashi +3 more | 1997-09-02 |
| 5543757 | Surface acoustic wave filter including alternate open and shorted reflector grating | Yasumi Kobayashi, Yasuhiro Hirao, Kousuke Takeuchi, Hiroshi Kayaki, Yusuke Takahashi +3 more | 1996-08-06 |