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Dielectric resonator device, dielectric filter, duplexer, and high-frequency communication apparatus Grant 7,274,273 - Hirose , et al. September 25, 2 | 2007-09-25 |
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High-frequency circuit device and transmitting and receiving apparatus App 20070126532 - Mikami; Shigeyuki | 2007-06-07 |
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High-frequency circuit device and transmitter/receiver Grant 6,891,452 - Mikami , et al. May 10, 2 | 2005-05-10 |
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High-frequency circuit device and transmitter/receiver App 20040041668 - Mikami, Shigeyuki ;   et al. | 2004-03-04 |
High-frequency circuit device using slot line and communication apparatus having high frequency circuit device App 20040036542 - Baba, Takahiro ;   et al. | 2004-02-26 |
Dielectric resonator device, high frequency filter, and high frequency oscillator App 20040021531 - Mukaiyama, Kazutaka ;   et al. | 2004-02-05 |
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Field-effect transistor device App 20030160279 - Baba, Takahiro ;   et al. | 2003-08-28 |
Radio-frequency amplifier, radio-frequency module and communication device Grant 6,606,000 - Mikami , et al. August 12, 2 | 2003-08-12 |
Radio frequency module, communication device, and radar device App 20030085836 - Mikami, Shigeyuki ;   et al. | 2003-05-08 |
Radio-frequency amplifier, radio-frequency module and communication device App 20020130723 - Mikami, Shigeyuki ;   et al. | 2002-09-19 |
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Dielectric resonator device, dielectric filter, oscillator, sharing device, and electronic apparatus Grant 6,232,854 - Mikami , et al. May 15, 2 | 2001-05-15 |
Dielectric resonator formed by polygonal openings in a dielectric substrate, and a filter, duplexer, and communication apparatus using same Grant 6,184,758 - Ishikawa , et al. February 6, 2 | 2001-02-06 |
Dielectric resonator having a resonance region and a cavity adjacent to the resonance region, and a dielectric filter, duplexer and communication device utilizing the dielectric resonator Grant 6,104,261 - Sonoda , et al. August 15, 2 | 2000-08-15 |